Armpit pain is a common complaint that can have many causes, from mild muscle injuries to swollen lymph nodes and severe skin infections. In most cases, armpit pain isn't a reason to worry, but it can ...

Nerve pain. There are several ... “Symptoms of numbness, tingling and radiating pain down into the hand that is associated with progressive arm weakness should be seen by a doctor right away ...

One bright April day in 1903, Dr. Henry Head of Cambridge University, England went to a surgeon friend and asked him to make a six-and-a-half-inch gash in his upper left arm. Dr. Head, a robust ...