As the company behind Air Pollution Formula, the very first dietary supplement designed to provide antioxidant support in a polluted world, at Altruvita we keep a close eye on the latest news and research around global air pollution. There’s no shortage of opinion, fact and evidence about the impact that the quality of the air we breathe can have on our health, and just last week yet another study highlighted why it’s something to be mindful of. The research, which was published in the New England Journal of Medicine, examined the levels of fine particulate pollution over 30 years in 650 cities in 14 countries, spread across 6 continents.
The research observed that on days when particulate pollution was high, death rates from respiratory and cardiovascular illness also rose. Interestingly, the peaks in air pollution observed were often still within World Health Organisation (WHO) guidelines. Particulate pollution is created by car exhausts, household products and industrial processes, with fine particles known as PM2.5 causing the most concern for researchers. Their name refers to the minute size of the particles (less than 2.5 micrometres in diameter), which is around one thirtieth of the width of most human hair. The study’s lead author, Yuming Guo from Monash University’s School of Public Health in Melbourne explains: “The smaller the airborne particles, the more easily they can penetrate deep into the lungs and absorb more toxic components.”
It’s important to note that this study was observational, meaning that it doesn’t directly prove that the higher levels of air pollution made people unwell. It does highlight a link between the increase in deaths when air pollution levels rise and supports claims that even ‘safe’ air pollution levels are too high. Dr Penny Woods, Chief Executive of the British Lung Foundation, commented: “this study yet again underscores the need for the UK government to step up to the mark and protect our lungs by adopting World Health Organisation limits on PM2.5 in the anticipated Environment Bill”.
This research demonstrates once again why air pollution is one of the biggest environmental threats to our health. A study in July found that long-term exposure to ground-level air pollution, in particular ozone, is as bad for respiratory health as smoking a pack of cigarettes a day. You can read more about that study on a recent Altruvita blog post here.
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