People exposed to high levels of artificial light have an increasingly higher risk of heart disease, Massachusetts General Hospital researchers reported. File Photo by John Angelillo/UPI The bright ...

A team of scientists from Harvard Medical School and Duke University has created a new kind of tissue that can change heart activity using only light—no wires, no surgery, no harm. This groundbreaking ...

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 ...

It was stable on an actively beating heart, at body temperature, for 60 days, about the same time temporary pacemakers are used as a bridge to permanent pacemakers. What’s more, the device’s ...

New research presented at the American Heart Association Scientific Sessions 2025 suggests that exposure to artificial light at night may increase stress-related brain activity and artery inflammation ...

In a key advance toward wireless, minimally invasive temporary pacemakers, researchers have made a thin silicon device that lays flat on the heart’s surface and regulates heartbeat using light (Nature ...

Good sleep hygiene calls for, among other things, a cool, dark and relaxing environment. It turns out the dark part is key to helping prevent heart disease. People who are exposed to more artificial ...

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.