Health isn't what it used to be—namely the absence of being sick. Ask any teenager today what it means to them to be healthy, and you're likely to hear about the vast array of areas in their lives ...

Dear Dr. Roach: I read your column daily in my local newspaper. The people who write in often describe themselves as "healthy" or "in good health." Then they always add that they are taking some sort ...

Health isn't what it used to be—namely the absence of being sick. Subscribe to our newsletter for the latest sci-tech news updates. Ask any teenager today what it means to them to be healthy, and ...