Black Carbon Reduces the Beneficial Effect of Physical Activity on Lung Function

What is it about?

We found that lung function improves when people engage in physical activity, but only when levels of air pollution are low (we measured black carbon or soot). This beneficial effect decreased with higher air pollution concentrations.

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Why is it important?

Our results suggest a greater need to reduce air pollution exposures during physical activity Levels of Black Carbon should be below 1µg/m³ to protect lung function in healthy adults.