Dear Dr. Roach: Can you explain electrolytes? How can we make sure we keep our electrolytes in the normal range within our body? Are we wasting our money purchasing bottled water that says, “includes ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...