French explorer Michel Siffre lived in an underground cave with no concept for six months in 1972 and documented the effects ...

I exercise five times a week, eat healthily, but I'm terrified about the brain condition . Here's what the experts say I must ...

Scientists are still untangling how meal size and timing affect health. But they know one thing: It’s probably best to avoid making dinner your largest meal.

Shift work and night work are associated with an increased risk for the common cold and several other infections among nurses.

Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. We found that people exposed to more hours of blue light in the morning had better sleep and more ...

The biological foundations of early rising go beyond mere habit, revealing insights into personality and productivity that ...