Roshini Raj, MD, is Health's former magazine's medical editor and coauthor of What the Yuck?!. Board-certified in gastroenterology and internal medicine, Dr. Raj is a Clinical Associate Professor of ...

A lot of us want a whiter smile, but the cost of getting it done professionally is nothing to smile about. The best whitening toothpastes offer a safe and affordable option, while homemade remedies ...