After examining 13 million hours of light exposure data, researchers found that experiencing bright light during the dark hours can significantly increase the risk of heart failure and heart attack.

Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another significant benefit. Sleeping in total darkness may lower the risk for ...