Molecular advances in early breast cancer

  Advances in understanding the molecular biology of breast cancer have led to a new tumor classification system that can help clinicians determine which treatments are most likely to be effective.   More »

Becoming a vegetarian

A vegetarian diet can meet all a person's nutritional needs if planned thoughtfully. Eat a variety of fruits, vegetables, whole grains, and nuts, avoid saturated fats, watch calories and portions, and be physically active. More »

By the way, doctor: Should I have my knee replaced?

Fifteen years ago, I had surgery for a torn meniscus and was told I had arthritis. I'm now 79, and my knee hurts most days, though I still exercise daily on a stationary bike. I hate to take pills. Should I consider a knee replacement? (Locked) More »