Heatwaves are making people age faster, study suggests
undefined 2, 2025
A 15-year study of 25,000 adults in Taiwan shows repeated heatwave exposure accelerates ageing, comparable to the effects of smoking, poor diet, or alcohol. Each additional four heatwave days over two years increased biological age by nine days, with outdoor workers most affected. Heatwaves raise long-term health risks, and their frequency is rising due to climate change. The study highlights a lifelong impact on health, likely linked to DNA damage, and underscores the global threat of extreme heat.
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