Add Yahoo as a preferred source to see more of our stories on Google. People exposed to high levels of artificial light have an increasingly higher risk of heart disease, Massachusetts General ...

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 ...

Most people think of light as harmless. We switch on lamps after sunset, scroll through phones in bed, and keep rooms softly glowing till late. But research now shows that light at night may not be as ...

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 ...

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 ...

Many people fall asleep with a night lamp on, keep the TV glowing in the background, or live in neighbourhoods flooded with street lights. It may feel harmless, even comforting, but new research from ...

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 ...

Can Sleeping With Lights On Harm Your Heart Health? As the Harvard study pointed out, when we sleep with lights on, our cardiovascular health may be at risk. Let’s try and understand what it means.