It has been suggested for some time that PM2·5 (the smallest type of particulates found in emissions which go unfiltered into the lungs) are associated with increased risk of diabetes; however, nobody really knew how big the effect was.
To really dig down on what was happening, last year scientists took a group of 1,729,108 US veterans and followed them to see what happened over an 8.5-year period, taking note of the all the fine details, where they live and PM2.5 levels.
Diabetes was recorded by using the International Classification of Diseases-9 code, diabetes medication prescription or abnormal blood glucose level tests.
A 10 μg/m3 (micrograms per cubic metre) increase in PM2·5 was associated with increased risk of diabetes and exposure to PM2·5 was associated with increased risk of death. An integrated exposure response function showed that the risk of diabetes increased substantially above 2·4 μg/m3, and then exhibited a more moderate increase at concentrations above 10 μg/m3.
Globally, ambient PM2·5 contributed to about 3.2million incident cases of diabetes, about 8.2million disability adjusted life year (DALYs) caused by diabetes, and 206,105 deaths from diabetes attributable to PM2·5 exposure, especially in low-income and lower-to-middle-income countries.
Importantly, the study shows that substantial risk exists at concentrations well below those outlined in the air quality standards of WHO and national and international regulatory agencies, meaning targets need to tighten even further.
The biological mechanism underpinning the association is based on the premise that pollutants enter the bloodstream where they might interact with tissue components to produce pathological effects. This mechanism is now supported by evidence both in experimental models and humans that inhaled nanoparticles, which when sufficiently small can enter the bloodstream and interact with distant organs—including liver tissue—and exhibit affinity to accumulate at sites of blood vessel (vascular) inflammation.
Both research studies and human evidence suggest that exposure to ambient air pollutants can lead to clinically significant disturbances in oxidative stress, inflammation, cell division and broad metabolic derangements in glucose and insulin homoeostasis. This includes glucose intolerance, decreased insulin sensitivity and impaired secretion, and increased blood lipid concentrations, thus providing biological mechanistic plausibility to the association of PM2·5 exposure and the risk of diabetes.
The global burden of diabetes attributable to PM2·5 air pollution is significant. Reduction in exposure will yield substantial health benefits, but protecting the body from not only breathing particles in, but also providing antioxidant and anti-inflammatory agents must also become a focus until things that contribute to emissions, such as diesel fuels, are faded out.
Altruvita’s Air Pollution Formula is designed to provide natural support in a polluted world, click here to learn more about this food supplement.
Living or working in the UK’s most polluted cities and towns increases the risk of an early death by the equivalent of smoking three cigarettes a week, the British Heart Foundation (BHF) has warned today.
The BHF has called for air pollution to be declared “a public health emergency” following the starling results of a research project funded by the charity. The study in question found that breathing in the particulate matter found in polluted air is a serious risk factor for diseases effecting the circulatory system.
Around 11,000 coronary heart disease and stroke deaths each year in the UK are caused by particulate matter air pollution. It can also worsen existing health problems such as respiratory illnesses, but in truth it effects every part of our body.
It’s the PM2.5 – the smallest of the particulate matter found in vehicle emissions – that are of most concern, as these cannot be filtered out of the air we breathe by our nostrils or the tube going down into the lungs.
The BHF analysis shows that the Chelsea, Newham, Westminster, Kensington and Islington areas of London are worst hit by air pollution – the equivalent to smoking more than 150 cigarettes a year on average. Those in Waltham Forest, Hackney, Tower Hamlets, Barking and Dagenham, Lambeth and Southwark in London are also badly affected, as are people in Slough, Dartford, Gravesham, Thurrock, Portsmouth, Medway and Luton,
The results of studies such as these have led to an increase in demands that the next government should urgently introduce the much tougher World Health Organisation (WHO) air pollution limits in place of EU limits. the current EU limits – which the UK comfortably meets – for fine particulate matter (PM2.5) are 25 micrograms per metre cubed as an annual average. The WHO limits are much tougher – at 10 micrograms per metre cubed as an annual average. The potential health benefits of lowering these levels would allow everyone to live healthier lives for longer.
it’s not all doom and gloom – we’ve recently written about how dietary components can help play a role in combatting the effects of air pollution, which you can read about here. Altruvita’s medical and nutritionist team has also developed Air Pollution Formula, the very first food supplement of its kind and designed to provide natural support in a polluted world.
There are many ways you can try to limit your exposure to both indoor and outdoor air pollution, and to help you out we’ve gathered them together in our insightful Air Pollution Survival Guide. Download your FREE copy here.
With studies on the impact of air pollution on our health being released on a weekly basis now, it’s no wonder we’re all starting to pay attention. It’s especially emotive when children and babies are at risk too. The latest research shows that children living next to a main road will not have developed lungs which are needed to protect against respiratory infections, and they also have a 10% higher risk of lung cancer in later life. This is along with increased risk of asthma and COPD. Whilst some are considering an escape to the country, and away from main roads, for others it’s impractical to move their home, work or school.
We’ve known for quite some time that diets high in particular compounds, and supplements, have shown promise in terms of benefit against air pollution. In an attempt to avoid selection of anti-pollution superfoods, here’s some tips to what an anti-pollution super diet could look like:
- Firstly, don’t starve your body, it needs continuous protection against pollutants. One study has suggested that there may be increased susceptibility to nitrogen dioxide (NO2) when someone is in a fasting state. NO2 is produced by motor vehicles, biomass burning, airports and industry.
- Children living in the city should eat a diet high in antioxidants. A study of children looked at total antioxidant intake and asthma rates, and there appeared to be a link between higher antioxidant intake (total antioxidant capacity) and diminished sensitivity to inhaled allergens. Children should be encouraged to eat their 5 a day, and even such things as turmeric which contains curcuminoid antioxidants. Potatoes are an important source of the antioxidant vitamin C.
- Protect your skin with vitamin C and E. Exposure to ground level ozone (O3) results in dose-dependent depletion of antioxidants vitamin C and E in the skin. (O3) generation is a major component of smog and is formed as a result of a photochemical reaction between O2 and pollutants such as hydrocarbons and nitrous oxides, which is facilitated by sunlight. Foods such as oranges, strawberries and lemons are high in vitamin C, and almonds and avocados are good sources of vitamin E.
- Keep your vitamin D levels topped up, especially in asthmatics. Although most of your vitamin D comes from sunlight, supplementation is often required because of reduced sunlight. The sun’s UVB rays struggle to get through air pollution smog and have been shown to affect blood levels of vitamin D. Low vitamin D levels are linked to allergic asthma exacerbation. A vitamin D3 containing supplement and consuming foods such as oily fish may help.
- Ensure vitamin C and E levels are kept topped up in asthma and COPD. A London-based study looked at whether individual blood antioxidant concentrations (vitamins A, C and E) could modify the response to particulate matter with respect to hospital admissions for COPD or asthma. Two hundred and thirty four admissions were recorded and the level of PM10 (larger particles) was noted 14 days before and after each event. Combined admission rates were related to a 10 μg/m increase in PM10. Serum vitamin C modified the effect of PM10 on asthma/COPD exacerbations. A similar (although weaker) influence was observed for low levels of vitamin E in the blood. Citrus fruits provide lots of vitamin C, whereas almonds and avocados are rich in vitamin E.
- Vitamin C and E supplements may help asthma patients exposed to high ozone levels. Antioxidant supplementation with vitamin C and E above the minimum dietary requirement led to reduced nasal inflammation and partially restored antioxidant levels in asthmatic patients exposed to high levels of O3. Vitamin E-containing antioxidants also reduced O3-induced bronchoconstriction in subjects with asthma in 2 other studies. High levels of vitamins C and E were provided as supplements and it is not known if diet would have the same effect.
- Vitamin E supplements may help in people exposed to O3 without asthma. Two trials reported that vitamin E-containing antioxidants reduce O3-induced bronchoconstriction in subjects without asthma, suggesting potential protective effects of vitamin E against the detrimental effects of O3. High levels of vitamin E were provided as supplements and it is not known if diet would have the same effect.
- Eat turmeric if you live in a city or you are around smoke. In a Singapore population of 2478 people, where air pollution and smoking rates are high, researchers found that people taking dietary curcumin through eating turmeric in curry, had better pulmonary function. The average adjusted forced expiratory volume in 1 second (FEV1) associated with curry intake was 9.2% higher among current smokers, 10.3% higher among past smokers, and 1.5% higher among non-smokers. Turmeric and oil can also be used to marinade meat and fish and in dhal, rice and Moroccan dishes.
- Fish derived omega 3 oils could protect the heart and blood vessels. Omega 3 oils are known for their effects in alleviating inflammation in the body and there are recent studies which use omega-3 oils to combat the effects of air pollutants. In an animal study researchers demonstrated that omega-3 oils prevented and improve inflammation caused by fine particulate matter. A human study in China found that a dose of 2.5g/day fish derived omega 3 oils led to protection of the cardiovascular system from the tiny particulates in air (PM 2.5). These studies used supplements as it is impractical to try to consume high doses of the oil through eating oily fish.
- The Mediterranean diet may help if smoke is an issue. A diet high in oily fish, olive oil, fresh fruit, veg and salads does offer some protection against the effects of tobacco smoke in smokers and passive smokers.
No particular dietary intervention has been tested in a high pollution environment yet and you’ll see that most research suggests that supplements are required to get enough of a particular compound.
We’ve developed Air Pollution Formula, the very first supplement of its kind, to offer natural support in a polluted world. Take a closer look at the ingredients chosen for our unique Air Pollution Formula here.
New data has been published which aims to predict the impact of 2 different pollutants on the life expectancy of children born in London in 201, assuming they remained living in the city all their life.
Diesel emissions are the biggest source of air pollution in towns and cities, and a source of some of the most dangerous air pollutants for health: NO2 and particulate matter (PM10 and PM2.5). Diesel vehicles produce more of these dangerous pollutants than their petrol counterparts.
So, what did the researchers find out? Their calculations showed that boys are expected to live 9.5 months less due to the tiny particulates PM 2.5, and 17 months less due to NO2 – nitrogen dioxide. Girls are expected to live 9 months less due to PM 2.5 and 15.5 months less due to NO2.
There are multiple sources of outdoor air pollution, however in urban areas the single biggest source is road transport. Children in particular are vulnerable to the effects of air pollution from traffic. Even within the womb, a child can be affected by pollution.
It’s no surprise that research as emotive as this has caused people working in the medical profession to take a stand against diesel emissions. ‘Doctors Against Diesel’ is a public health campaign aiming to stop children’s health being affected by air pollution and supporting alternatives to diesel. Many people, rich or poor, spend their lives in cities like London and it does have significant effects on their health. It doesn’t matter who you are, we’re all stuck breathing in the same air.
It’s also worth noting that the risks from air pollution do increase among those living in the most deprived communities, and particularly children in these areas. This is due to the combined impacts of poor housing and air quality indoors, the stress of living on a low income and limited access to healthy food and/or green spaces to exercise.
If you want to protect yourself against the harmful effects of pollution, the best way would be to avoid polluted cities, although of course this is not realistic for millions of people living in the UK. A diet high in antioxidants and anti-inflammatory compounds is probably going to be helpful for those people living in cities or near main roads, however the research currently sits more with a few food supplements providing benefit. Read our insightful Air Pollution Survival Guide for more detailed information.
Let’s face it, there are no winners when it comes to air pollution. Plants, animals and humans all absorb it one way or another.
If you have ever experienced true smog or breathed in the dirty exhaust fumes when an old car drives past, you’ll know that pollution irritates the parts of your body that comes into contact with it – your chest (lungs), skin and eyes. Wheezing, ageing and itchy skin and sore eyes are really common symptoms of exposure to air pollution. The latest research also shows that much more life-threatening medical changes can happen too.
A team at King’s College London published data from 9 UK cities – London, Birmingham, Bristol, Derby, Liverpool, Manchester, Nottingham, Oxford and Southampton. They found that high air pollution levels in those cities trigger hundreds more heart attacks, strokes and acute asthma attacks each year.
From ambulance call data, they calculated that the days with above average pollution levels would see an extra 124 cardiac arrests over the year. On days with high pollution levels, across the nine cities in total, they calculated that there would be a total of 231 additional hospital admissions for stroke, with an extra 193 children and adults taken to hospital for asthma treatment.
In London, high-pollution days would see an extra 87 heart attacks per year and an extra 144 strokes. 74 children and 33 adults would end up in hospital with asthma-related issues.
Among the long-term risks associated with high pollution levels are stunted lung growth and low birth weight.
The King’s College research also suggests cutting air pollution by a fifth, which is more than attainable over a short period, would decrease incidents of lung cancer by between 5% and 7% across the nine cities surveyed.
None of this should be a huge shock, after all we are breathing in toxic chemicals and particulates and of course air pollution costs lives and causes a range of illnesses, thus impacting more on the financial constraints of the health service.
The UK hosted an international clean air summit earlier in the month with the aim of exploring ways to improve air quality. Along with cleaning up the air in our environment, it may also be possible to support your health with a range of actions and a food supplement which contains ingredients proven to work against pollution. Read our Air Pollution Survival Guide to find out more.
A study just published today the 22th August, tells a tale of how our health is being affected by pollution, in particular particulates.
Teams from across the globe recorded their daily data on mortality (number of deaths) and their air pollution levels. Teams were located in 652 cities in 24 countries or regions.
Although there are dangers known for outdoor air pollutants; sulphur dioxide, ozone and nitrogen dioxide etc, this study was just looking at very small particles. They evaluated the associations of inhalable particulate matter (PM) with a diameter of 10 μm or less (PM10) and fine PM with a diameter of 2.5 μm or less (PM2.5) with daily all-cause, cardiovascular, and respiratory mortality. In other words, they measured the particles in the air on every day and recorded number of deaths on that day.
They found that increases short-term exposure to PM10 and PM2.5 led to small but significant increases in all causes of deaths, and cardiovascular eg heart attack, and respiratory mortality eg asthma attack.
These are just 2 types of pollutants, adding in data from all pollutants lead to further deaths.
It’s a stark reminder that pollution levels need to fall to improve global health.
Liu C, et al. Ambient Particulate Air Pollution and Daily Mortality in 652 Cities. N Engl J Med. 2019 Aug 22;381(8):705-715. doi: 10.1056/NEJMoa1817364.
From our hand soap to our surface spray, our body wash to our perfume, air fresheners and candles, household cleaners and laundry liquid; scents are all around us. This may not make any sense according to gathering research.
Contrary to popular belief, most exposure to hazardous pollutants that affect health and well-being occurs indoors. A primary source of these indoor pollutants and exposures are dyes, smoke, sealants, fire retardants and now fragrances. Common fragranced consumer products include air fresheners, cleaning products, washing powder/liquid, and deodorants/body sprays and perfumes.
Do you feel unwell when you’ve been indoors for a few days or do you have symptoms that you think must be related to food sensitivities?
Exposure to fragranced products have been associated with a range of adverse human health effects, including migraine headaches, contact dermatitis, asthma attacks, respiratory difficulties, and mucosal symptoms In two previous surveys, it was found that 17.5% and 20.5% of the general US population (between 2002–3 and 2005–6 respectively) reported breathing difficulties, headaches, or other health problems when exposed to air fresheners and deodorizers.
Fragranced consumer products emit dozens of different volatile compounds, including terpenes (e.g., limonene, alpha-pinene, and beta-pinene) that are primary pollutants, and that react with ozone in our households to generate secondary pollutants such as formaldehyde and acetaldehyde. Even some so-called ‘green’, ‘atural’ and ‘organic’ fragranced products emit hazardous pollutants, similar to regular fragranced products because it may only include 1 ingredient of better quality. Little information exists, however, on potentially hazardous compounds emitted from fragranced products, in part because products are not required to disclose all ingredients. Thus, knowledge of potential exposures and effects is essential to effective risk reduction.
Imagine this common scenario; you recently buy an expensive candle ‘made with the finest natural ingredients’. You open it and on the back it says ‘extremely hazardous to aquatic life’ and ‘may trigger allergic reactions’. Made in China. It doesn’t state what the wax is, so it’s probably the cheapest material- paraffin. So apart from being useful for lighting the room, the company stated it’s selling something really toxic at the same time as stating it has ‘finest natural ingredients’.
Not so relaxing to breath that scented candle any more…
There are now calls for fragrance free zones as well as smoke-free zones being initiated in the US and Australia. The US Centers for Disease Control and Prevention, Indoor Environmental Quality Policy (CDC, 2009) states that “Scented or fragranced products are prohibited at all times in all interior space owned, rented, or leased by CDC.”
For health professionals and patients, when faced with health problems such as headaches, respiratory difficulties, mucosal symptoms, rashes, asthma, and others, consider the possibility that fragranced products could be a contributor. Many people who believe that food may be making them ill may be surprised that even their favourite perfume may be the culprit.
Most fragrances cause indoor air pollution.
Look out for vitamins, oils and botanicals that have been used in air pollution studies, within our products.
Air pollution is on the rise. When indoor and outdoor air pollution are combined, WHO estimates that in 2012, some 14% of deaths were due to chronic obstructive pulmonary disease (COPD), or acute lower respiratory infections, and 14% of deaths were due to lung cancer.
Emissions from vehicles are a major contributor to
air pollution. They release nitrogen dioxides and fine particles, leading to
local pollution especially in urban areas. The most damaging type of outdoor
air pollution is fine particulate matter smaller than 2.5 micrometres in
diameter (PM2.5 ).
Other sources contributing to PM2.5 concentrations can come from afar however, as there have been many occasions where ‘Saharan dust’ has triggered respiratory problems in the UK population, but the dust has been found to contain these fine particulates and ammonium nitrate from Europe.
Air pollution reduces overall life expectancy in healthy individuals, but in combination with other existing health conditions can also cause early death.
A study from 2017 looked at the role of woodland, grassland, moorland and crops in removing a suite of air pollutants which are known to have substantial impacts on human health. The study looked at levels of PM2.5, nitrogen dioxide, ground level ozone, and sulphur dioxide in these areas.
The study showed that plants are great at removing pollutants right across the UK and this overall reduction in the levels of pollutants leads to a substantial health benefit.
Several groups got together and estimated the health benefits of removing each pollutant and calculated the economic value. The main health impacts originate from respiratory and cardiovascular health effects, and deaths. The benefits are greater in urban areas because that is where most people live.
Plants remove air pollution by providing a large surface area for particulate matter to settle on, and by active uptake of gases into the leaves or chemical reactions with the leaf surface. Collectively these processes are called ‘dry deposition’. The amount of pollution a plant can remove depends partly on its leaf area and size, but also varies greatly depending on the weather, the time of year (for deciduous species which drop their leaves in winter), and on the other pollutants present in the atmosphere.
The health benefits calculated were substantial, with estimated avoided health costs of one billion pounds in 2015, the majority of this is from removal of PM2.5. The study also estimated 5,800 fewer respiratory hospital admissions, 1,300 fewer cardiovascular hospital admissions, 27,000 less life years that were lost, and 1,900 fewer premature deaths.
So it looks like if we are filling our garden or hedges with plants, we want those with big surfaces that don’t drop leaves Autumn-Winter.
Meanwhile, indoor air pollution is also a constant problem and a threat to health. So looking further into the idea of how houseplants can fend off the potentially harmful effects of volatile organic compounds (VOCs), a main category of air pollutants, a team of researchers have made some new discoveries. They found that certain plants are better at removing specific compounds from the air – this is especially meaningful for indoor air, as studies have shown that interior air can have three to five times more pollutants than outside (apart from in high traffic areas).
VOCs include things like acetone, benzene, formaldehyde and tolulene – they are emitted as gases and can cause short- and long-term health effects. People with asthma and COPD are especially sensitive. They are invisible to the eye and come from common things many of us have around the house, things as innocent-seeming as candles, furniture, copiers and printers, cleaning chemicals.
Since the NASA research in the 1980s, a number of studies have looked into how plants improve air quality, but most of the research has looked at the removal of single VOCs by individual plants from the air; but one groups wanted to compare the efficiency of simultaneous removal of several VOCs by a number plants. The team used a sealed chamber in which they monitored the VOC concentrations over several hours with and without a different type of plant. For each plant they measured the VOCs the plants took up, how quickly they removed these VOCs from the air, and how much of the VOCs were removed altogether. They gathered five plants (spider plant, dracaena, Caribbean tree cactus, bromeliad and jade plants) and gave them 8 VOCs.
They found that all of the plants were good at removing acetone, but the dracaena plant took up the most, around 94 percent of the chemical. The bromeliad plant was great at removing six of the eight VOCs, taking up more than 80 percent of each over a 12-hour sampling period. Likewise, the jade plant was very good for toluene.
Particular botanicals and nutrients from food have been tested in combatting all sorts of nasty bits floating around in our air, so take a look at our products!
The stresses of daily life are continuing to take their toll on many of us, so it’s little wonder that candles are as popular as ever. This week I even saw scented Christmas candles being advertised on prime time TV. There’s nothing like turning the lights out and breathing in the smell of vanilla and spice or gingerbread biscuits.
But while sniffing your favourite candle before bed often offers stress relief, many are made of nasty stuff, which can be really harmful. This is because they contribute to indoor air pollution (along with log fires, glue, paint, varnish, oil, flame retardants and dyes etc). The World Health Organisation say 4.3 million premature deaths were attributable to household air pollution in 2012. When indoor and outdoor air pollution are combined, WHO estimates that in 2012, some 14% of deaths were due to COPD or acute lower respiratory infections, and 14% of deaths were due to lung cancer.
Finding candles that are totally free of nasty chemicals can be tricky, especially as front labels often make it hard to distinguish what is and isn’t natural (a “blend” may mean a mixture of natural and synthetic ingredients, for example).
So what are most candles made from?
Paraffin. When burned, paraffin wax (made from the residue leftover from oil refining) creates toxic benzene and toluene chemicals, both of which are known carcinogens. They are classed as volatile organic compounds (VOC’s- which you see a percentage for on paint tins). They are linked to cancer and neurological damage. It means that breathing them in is as bad for your health as second-hand smoke. If you suffer from headaches when a candle is burning, it may well be down to the paraffin. Some candles even contain lead in the wick. Check with the candle’s manufacturer for a list of ingredients.
What’s better than paraffin?
As a renewable resource, soy candles are the real slow burners- more hours for your money! But while soy candles are certainly superior to the toxic fragrances and additives in conventional candles, it’s worth noting that most soy is genetically modified. Unless it boasts the certified organic label, it’s likely that your candle is made from GM soy. Is that a good or bad thing? Nobody knows!
The best of a bad bunch; beeswax is the only naturally occurring wax on earth, unless you count ear wax ….(Hmmm). Pure beeswax candles are non-toxic, non-polluting and may actually cleanse indoor air of odours and allergens. They also smell of yummy honey too so win win!
What about the scent?
Smells like… vanilla and cinnamon, nope its…
Phthalates? If you’re smelling fragrance, then there’s probably phthalates in your candle. These artificial scents and dyes often used can also release harmful chemicals when burned, possibly triggering asthma attacks and allergies. Do you sneeze or get wheezy with candles It is known that phthalates are widespread contaminants in both indoor and outdoor environments with the plastic industry being a major contributor. The toxicants can be delivered into the body via inhalation and other methods, then cause an inflammatory response, disrupt hormones and affect respiratory health.
If you want scented, I’m afraid you have to pay for pure essential oil fragrances. If you ever wondered why some candles are so expensive, it because they aren’t made out of cheap rubbish.
Particular botanicals and nutrients from food have been tested in combatting all sorts of nasty bits floating around in our air, so have a look at our website!
Air pollution is on the rise.
Emissions from transport are a major contributor to air pollution. They release nitrogen dioxides and fine particles, leading to local pollution especially in urban areas. The most damaging type of outdoor air pollution is fine particulate matter smaller than 2.5 micrometres in diameter (PM2.5 ). These particles are particularly dangerous because they are small enough to work their way deep into the lungs and bloodstream, where they can trigger heart attacks, strokes, lung cancer and asthma.
The level of these particles in the air is measured in micrograms per cubic meter (µg/m3). It is usually given as an average yearly amount for a particular area.
According to the work of Richard and Elizabeth Muller at Berkeley Earth, an air pollution level of 22µg/m3 is the equivalent to breathing one cigarette.
Other sources contributing to PM2.5 concentrations can come from afar however, as there have been many occasions where ‘Saharan dust’ has triggered respiratory problems in the UK population, but the dust has been found to contain these fine particulates and ammonium nitrate picked up along the way through Europe.
Air pollution reduces overall life expectancy in healthy individuals, but in combination with other existing health conditions can also cause early death.
For all these reasons, its probably a good idea to look at where you holiday and what transport you’ll take. Although the most polluted cities are in China and India, other tourist hotspots such as Los Angeles, Tokyo and Paris are also highly polluted.
In terms of transport, large boats and ships pump out huge amounts of diesel PM, and greenhouse gas emissions, but also sulphur oxides, and nitrogen oxides in their puffs of black smoke.
Per day one cruise ship emits as much particulate matter as a million cars. Thirty cruise ships pollute as much as all the cars in the United Kingdom.
Although you may be visiting countries or islands with clean air, breathing in the pollution from cruise ships is having a negative impact on the environment and your health.
While the deck is popular with sun-bathers, passengers are likely to be breathing some of these particulates, which are harmful for health and the environment.
Our advice is obvious- don’t stay in polluted cities or near large ports for too long. Not all boats cause pollution, sailing boats and yachts with small engines are a much better option for your health for short journeys like island hopping. If you can’t avoid the big boats, stay inside and don’t go on deck where the air is at its worst.
Studies have identified an association between daily changes in concentration of outdoor air pollution and daily number of deaths and hospitalisations, particularly from cardiovascular disease and following relatively short time after exposure.
It has been suggested that traffic-derived particles, of which diesel exhaust particles are major contributor, are the most toxic component. Diesel exhaust particles have been associated with increased risk of cardiopulmonary diseases. We know that even inhaling diesel exhaust fumes once e.g whilst out walking, or jogging traffic, causes lung inflammation and changes in blood clotting.
We’ve known about the potential health hazard for a while now, a study in 2012 looked at repeated exposure effects and the protective effects of curcumin. Mice were exposed with repeated doses of DEP (15 µg/animal) every 2nd day for 6 days (a total of 4 exposures), and measured several heart and lung functions 48 h after the end of the treatments. The effect of curcumin (the yellow pigment isolated from turmeric) on DEP-induced cardiopulmonary toxicity was also assessed.
Diesel exhaust particle exposure increased white blood cell numbers, tumour necrosis factor α (TNF α) in lung fluid, and enhanced airway resistance. It also increase signals of stress and systolic blood pressure. When mice were given curcumin (45 mg/kg) 1 h before exposure, it significantly prevented the effects listed above mainly through use of its anti-inflammatory ability.
Studies such as this suggest we need more research on using curcumin and other supplements in populations exposed to air pollution. Curcumin is already a popular supplement, and it looks like it can add another string to its bow in regards to pollution.
Nemmar A, Subramaniyan D, Ali BH. Protective effect of curcumin on pulmonary and cardiovascular effects induced by repeated exposure to diesel exhaust particles in mice. PLoS One. 2012;7(6):e39554. doi: 10.1371/journal.pone.0039554. Epub 2012 Jun 22.
Statistics show that 1.25 million deaths are caused by road traffic accidents per year, 3.5 million are caused by diabetes, and 7 MILLION are the consequence of air pollution. (Reference, 21 Lessons for the 21st Century by Yuval Noah Harari.)
Environmental pollutants are a global health problem, associated with the development of many chronic diseases. Exposure to pollutants may increase our chances of serious illness, thanks to the effects of pollutants on the parts of our cells linked with inflammation, cardiac injury and oxidative damage.
There is a growing body of evidence based research to show that the food we eat can both positively and negatively influence the toxic effects of pollutants on our health. Recent studies suggest that nutrients like EGCG in green tea can protect against the inflammation caused by pollutants. Increasing our intake of antioxidants, such as vitamin E, and polyunsaturated fats, like Omega 3 oils, may help manage chronic conditions like asthma. This is especially important if you live in a high-risk area and eat a lot of processed foods.
For those of us who live and exercise in polluted cities, or eat fish products from polluted seas and rivers, specific nutrients to help combat this damage could have real benefits. ‘Personalised nutrition’ is on the horizon, and pollution exposure will soon form part of lifestyle assessments. You can start to personalise your own nutrition now by changing your diet to help fight the effects of pollution.
Tried and tested.
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