As clocks spring forward for daylight saving time this weekend, a Virginia Tech expert warns that the time change can have serious health consequences. “Research shows that daylight saving time messes with our biological clocks by reducing morning sunlight exposure, which pushes our sleep schedules later and can have negative effects on health,” says Carla Finkielstein, a professor at Virginia Tech’s Fralin Biomedical Research Institute and an expert in circadian clocks and cancer biology. 

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