A new study reveals that while we sleep, our brains quietly sort through the day’s experiences, keeping what we intend to remember and letting emotion-driven moments drift away. Study: Top-down ...

The body’s immune system is incredibly complex and fascinating. Molecules known as free radicals are produced in our bodies and can enter from the environment via many sources, including ultraviolet ...

Darren Rhodes does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...