When an ant injures its leg, it sometimes will turn to a buddy who will help out by gnawing the leg off, effectively performing a lifesaving limb amputation. That's according to some new experiments ...

Leg pain, cramps and lingering foot wounds are among the symptoms that may indicate peripheral artery disease, the narrowing or blockage of the vessels that supply blood to the legs. Getty Images ...

For the second time in a week a new case of Vibrio vulnificus, a horrifying infection also called "flesh-eating" bacteria, ...