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Exercise has many benefits, one of which is decreasing the risk for hypertension. Air pollution, however, might limit the benefit of exercise. In an observational study from Taiwan, researchers examined interactions among hypertension, exercise, and air pollution in 140,072 adults across 16 communities from 2001 to 2016 (mean follow-up, 5 years).
In Taiwan, annual concentrations of fine particulate matter are higher than WHO recommendations. Two-year estimates of air pollution levels associated with participants' addresses were determined via satellite data. Not surprisingly, a higher level of physical activity was associated with lower risk for hypertension, and a higher level of air pollution positively correlated with risk for developing …