As anticipation builds for the longer days that follow this weekend's switch to daylight savings time, the moment seemed ideal to turn to one of the nation's leading circadian-rhythms researchers, UC ...

If you want to know your chronological age, simply count the candles on your next birthday cake. Calculating your biological age, though, is a little more complicated. Chronological age is the number ...

When used correctly, they can help us unpick some of the mysteries of our biology, and our mortality. Be honest: Have you ever looked up someone from your childhood on social media with the sole ...