Overweight people breathe more pollution

Overweight adults breathe up to 7-50% more air daily than a healthy-weight individual or high-performance athlete. This greater breathing volume would put them at greater risk of airborne contaminants and, potentially, the risk of asthma and other lung diseases.

A study conducted at the University of Montreal in Quebec, is based on the analysis of data from 1,069 participants aged 5 to 96 years, compared with data collected from 902 people of normal weight. Inhalation rates were determined using measurements of urinary elimination rates, ingested doses of tracers (deuterium and heavy oxygen) in freely going about participants.

An overweight adult breathes 50% more air than a normal weight adult.

The results show that grade 2 obese people have the highest average rate of air inhalation, at 24.6 m3 per day or nearly 50% more than a normal-weight adult (8. 2 m3 to 16.4 m3 per day). The situation is also concerning in overweight children, for whom daily inhalation rates are 10 to 24% higher than in young people of normal weight.

Being overweight, you breathe as much air as a top athlete

The toxicologist also compared the situation of the obese to those of top athletes, and the data clearly shows that the need for oxygen is greater with overweight. Half of the type 2 obese cohort breathed 24.6 to 55 m3 of air every day. A person climbing Everest needs an average of 19.8 m3 of air per day, a competitive cross-country skier 41.2 m3 and a Tour de France cyclist 45.9 m3 of air per day. average, during the 21 days of racing.

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Physiological daily inhalation rates for health risk assessment in overweight/obese children, adults, and elderly. Risk analysis. doi: 10.1111/risa.12125.


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