6 Causes of Dry Skin (and What to Do About It)

You shower and swim with your contacts in The CDC advises keeping your lenses away from water (including pool water) to avoid a rare but potentially blinding infection caused by

You may have heard about getting electrolytes from sports drinks. Well, electrolytes are actually minerals—sodium, potassium, chloride, magnesium, calcium, phosphate, bicarbonate—that dissolve in the body’s fluids, creating electrically charged ions.

It’s an age-old question: Why is yawning contagious? Countless studies have backed up how yawning is contagious. But an experimental psychologist at the University of Oxford, Rohan Kapitány, wasn’t convinced.