Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

The sun deeply influences your circadian rhythm, and here's exactly how to use it to beat the winter blues. Nasha Addarich Martínez Managing Editor Nasha is a Managing Editor for CNET, overseeing our ...

As signs of incipient mortality proliferate, one of my happiest discoveries is that there are things that had occupied a surfeit of my mental energies—worries, desires, goals—that are showing ...

Diet, exercise and sleep are fundamental to our health, but so it our relationship to light. A massive, new study suggests light-driven disruption... Getting more light in the day and less at night is ...