"Varying the frequency of either the cell cycle, through ambient light, or the circadian clock, through genetic mutations, validated the underlying principle. It is striking to see examples in ...

Circadian rhythms are the regular, daily cycles of biological processes or ... The authors show how genetic variants of the human circadian clock gene PER3 are related to winter depression.

The circadian clock plays a key role in coordinating many biological processes from behaviors to cellular metabolism and mitosis. Disruption of circadian rhythms can increase susceptibility to ...

Shifting circadian ... cycle, our hormones, our body temperatures, our moods, when we get hungry, digestion, immune function and more. And they’re affected by how we spend our days — when we eat, when ...

Your internal clock plays a big role ... Here’s how your circadian rhythm works, and how to honor and support your unique ...

It really is like clockwork. Their calls to abolish daylight time have largely been fruitless, but experts say the semi-annual hubbub provides an opportunity to reflect on an even more important cycle ...