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Body Clock Disruptions Drive Heart Disease Risk, AHA Warns

American Heart Association reveals circadian rhythm disruptions increase cardiovascular disease risk. Learn how sleep timing, light exposure & meal schedules affect heart health in new scientific statement.

This research reveals that our modern lifestyle choices—from irregular sleep schedules to late-night screen use and inconsistent meal timing—are actively undermining our cardiovascular health through circadian disruption. For the millions of people working shift jobs, experiencing social jet lag, or maintaining irregular routines, this means their daily habits may be silently increasing their risk of obesity, diabetes, and heart disease regardless of diet or exercise quality. The findings suggest that synchronizing our behaviors with our natural body clocks could become as important as traditional health metrics, potentially transforming preventive medicine and personal health strategies for cardiovascular disease prevention.