Surgeons say a new procedure could mean young patients wouldn't need a hip replacement after serious injury.

Mouse tissue made into brain cells

Connective tissue from a mouse's tail has been transformed into working brain cells that might one day be used to treat Parkinson's.

Easy scan for post-trauma stress

A quick test that measures the magnetic activity in the brain can detect post-traumatic stress disorder with 90% accuracy.

Slow breathing helps chronic pain

Scientists have found controlled breathing can reduce feelings of pain.

Pets give clue to personality

A study shows 'dog people' are more outgoing while 'cat people' are more creative.