Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...

New research suggests that the strength and timing of the body’s internal clock may be closely tied to dementia risk.

Alzheimer’s may advance by breaking the brain’s internal clock—and resetting it could help fight the disease. Alzheimer’s disease often interferes with a person’s normal daily patterns. Early warning ...

Researchers have developed a new “body clock” tool that calculates people’s biological age — and could even predict the risk of disability or death. The tool, which comes from the University of ...

With darker days ahead after winding back our clocks, one strategy for better health is to align your daily habits, like sleep and meals, with your body's clock. Most of us are now back to standard ...

Plan on a glorious extra hour of sleep as most of America "falls back" into standard time. But make sure to get outside for some morning sun, too — it'll help your body clock reset faster. Daylight ...

Daylight saving time arrives 2 a.m. March 9. Help your body adjust in the days before the time change by adjusting your sleep schedule. After the time change, get outside. Sunshine helps regulate your ...

Plan on a glorious extra hour of sleep as most of America “falls back” into standard time. But make sure to get outside for some morning sun, too — it’ll help your body clock reset faster. Daylight ...

The return to "standard time" is better for our health according to sleep scientists, but the time change can be disruptive, and our bodies must also adjust to more hours of darkness as we head ...