National data say up to 80% of people who have celiac disease don't even know it. One woman describes the moment when the feeling of excessive bloat had finally pushed the bounds.

Magnesium is "the relaxation mineral," but—no surprise—many Americans aren't getting enough. A doctor reveals the daily magnesium requirement, the best magnesium supplements, and natural ways to increase magnesium intake.

Some moments, it's almost as if you can feel your cortisol spike. A Cleveland Clinic doctor offers strategies to get control of your physiological stress response.