Knee osteoarthritis: A low-carb diet may relieve symptoms

A new study compares the effects of a low-carb diet with those of a regular diet and a low-fat diet on knee osteoarthritis in older adults.

Eat your broccoli to protect against liver cancer

A new study in mice suggests that consuming broccoli as part of a regular diet protects against liver cancer. Researchers say adding the vegetable to meals is a good idea.