Circadian scores are trending. Here's what they measure and why they matter.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists reveal how the brain's hourly stress rhythm boosts alertness and cortisol, offering clues to sleep, mood, and mental ...

For at least 3,000 years, humans have known that malaria runs like clockwork, with a devastating fever that peaks, fades and returns on a predictable schedule. The Greek physician Hippocrates observed ...

Add Yahoo as a preferred source to see more of our stories on Google. Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty ...

Why do animals search for food at specific times of the day? In a study published in Current Biology, a research group led by Prof. Li Yan from the Institute of Biophysics of the Chinese Academy of ...

Our body follows a natural 24-hour cycle known as the circadian rhythm. It regulates not just sleep, but also metabolism, ...

A new research paper was published on the cover of Aging titled, "Effects of resveratrol on in vitro circadian clock gene expression in young and older human adipose-derived progenitor cells." ...

Each of the trillions of cells in our bodies has a tiny internal clock. When all of those clocks are synchronized, they tell us when to wake up, burn calories, and go to sleep. But when they lose ...

Plants prepare for cold evenings by triggering biological processes, such as closing of their stomata and synthesizing wax to prevent water loss. Biologists have shown that these processes, which are ...