The health benefits associated with regular physical activity are well established. However, physical activity is likely to be associated with increased exposure to, and intake of, air pollution, negating some or potentially all of these health benefits. Those with asthma are particularly vulnerable to the effects of air pollution, with children most susceptible of all. Consequently, many children with asthma consciously avoid being active due to a fear of triggering an exacerbation. It is therefore imperative that we identify strategies that allow children with asthma to safely engage in physical activity whilst minimising their exposure to air pollution. To do this, we need to understand air pollution exposure patterns in children and their relationship with their health, as well as work with children to co-design an intervention to ensure optimal behaviour change. This intervention is aimed at promoting physical activity in a pollution-sensitive manner for those with asthma.
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