Tingling in your left arm can have several causes, some more serious than others. Here are seven possible explanations and ...

From your shoulders to your fingers, your arms have many moving parts: joints, bones, muscles, nerves, tendons and ligaments. Mysterious arm pain that seemingly comes out of nowhere can arise if any ...

A tingling or numbness in your left arm could be a sign of a heart attack or something less severe. Here's how to spot the ...

Brachial palsy is a weakness or paralysis of the arm due to brachial plexus injury. The brachial plexus is a network of nerves near your neck that connect your spinal cord to your arms. These nerves ...

Heart disease has been the leading cause of death in the U.S. for the past 100 years, according to the American Heart Association. Despite how common it is, there are many questions floating around ...

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 ...

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, ...

LAKELAND, Fla. — Detroit Tigers center fielder Parker Meadows has been shut down from baseball activities with a right upper arm nerve issue. The 25-year-old hasn't been ruled out for Opening Day on ...