"Millions of Britons face a higher risk of stroke or heart failure because of dirty air where they live. People living in areas of the UK with the worst levels of air pollution are 27% more likely to develop heart failure, compared with people in areas with the cleanest air, a study suggests. Stroke risk was 7% higher in the worst areas, the research shows."
"Using data from the UK Biobank study, the team looked at average levels of PM2.5 in the areas where the participants lived. They then investigated rates of heart failure and stroke in the same people over a decade. PM2.5 is a pollutant released from sources including vehicles, industry and household heating. The particles are 30 times smaller than the width of a human hair, making them small enough to get into the bloodstream after being inhaled."
299,323 people tracked from 2010 to 2020 using UK Biobank data had local PM2.5 levels compared with heart failure and stroke rates. PM2.5 particles come from vehicles, industry and household heating and are 30 times smaller than the width of a human hair, allowing inhaled particles to enter the bloodstream. Residents in the worst 10% of PM2.5 areas had a 27% higher risk of developing heart failure and a 7% higher risk of stroke than those in the cleanest areas. Each additional one microgram of PM2.5 raised heart failure risk by 7% and stroke risk by 3%. Reducing exposure and improving air quality to protect cardiovascular health was urged.
Read at www.theguardian.com
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