What if there was a way to predict which cancer patients would benefit from radiation therapy? New evidence suggests, for one type of breast cancer, there could be.

A US county has reported the nation's first locally acquired infection with Zika, a mosquito-borne virus — but it didn't involve mosquitoes.

What would happen if nearly every mother around the world breastfed her babies? Great things, new evidence suggests.

There are many reasons not to be a couch potato, and here may be one more.

Zika virus may be the new kid in town, but it's not a very welcome visitor.

Attention all you young guys out there — if you're stressed out a lot, it may be something to worry about.

For patients with heart failure, sleep apnea can be a real problem. But that might be about to change.

High-fiber diets offer many health benefits, such as regular bowel movements and lower cholesterol levels. But they may do much more.

Many people would agree that what they eat influences their weight, health and even mood. But diet may affect much more than just our waking lives.

If you have depression or anxiety, new evidence suggests you may actually be suffering from something else.