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 ...

Research has linked it to higher risks of multiple major cardiovascular conditions, even if you exercise, eat well and get ...

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 ...

Even when taking into account exercise, diet, sleep habits and genetics, higher nighttime light exposure was linked with increased heart and vascular issues. Researchers tracked nearly 89,000 adults ...

Higher levels of artificial light at night were linked to increased stress-related activity in the brain, inflamed arteries and a higher risk of heart disease, according to a preliminary study ...

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 ...