We asked dentists about the most effective ways to whiten teeth at home, and they shared their top picks for toothpastes, mouthwashes, pens, strips and kits.

How long it takes to lose weight can vary based on a number of factors, such as age, medications you take, your activity level, and more. Learn how to do it right.

Every new year begins with fresh motivation, bold goals, and the promise that this time will be different. You plan to get fitter, stronger, and more consistent. But weeks later, the plan fades and ...