Add Yahoo as a preferred source to see more of our stories on Google. It’s no secret that taking 5,000 to 10,000 steps per day safeguards against heart disease, diabetes and dementia. But foot pain ...

Herpes simplex virus (HSV), the virus that causes cold sores, is extremely common. In fact, about two-thirds of people under 50 have it, according to an estimate from the World Health Organization ...