The need for radiation treatment after a lumpectomy has been studied for years. Current treatment guidelines say radiation is not necessary for older women with early breast cancer. A new study suggests that this may not be the case.

Exercise is a crucial part of preventing diabetes. Generally, people are encouraged to do aerobic exercise. But can weight training help too?

The human brain is still developing in the teen years. Heavy drinking can disrupt proper brain pathway development and impair function.

The recent droughts across the U.S. have meant big losses in crops for many farmers. Less visible, however, is the possible strain on these farmers' mental health.

When expectant mothers experience stress, it can lead to abnormal conditions at birth – a risk factor for problems in adulthood.

Kidney transplants save lives. But the time it takes to get a new kidney is sometimes the difference between life and death. For some patients, the long wait means more time on dialysis, upping the chance of complications.

Often called the "love hormone" or "trust hormone," oxytocin is a chemical that helps parents and children bond to one another and works on children's emotional development.