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R.R. Baliga on a New CV Risk Factor: Artificial Light at Night
Nov 7, 2025, 03:28

R.R. Baliga on a New CV Risk Factor: Artificial Light at Night

R.R. Baliga, Editor-In-Chief of Textbook of Internal Medicine: Helping You Become a Great Doc, posted on LinkedIn:

“Bright Nights, Higher Heart Risk

New findings in JAMA Network Open highlight that greater exposure to artificial light at night is associated with significantly increased risks of coronary artery disease, myocardial infarction, heart failure, atrial fibrillation, and stroke — independent of sleep duration, lifestyle factors, and genetics.

Clinical takeaway: Protecting circadian rhythms is cardiovascular prevention. Darker nights = healthier hearts.

Simple steps: blackout curtains, limit screens before bed, use warm/dim evening lighting.”

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