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 ...

When we think of a heart attack, chest pain is usually the first thing that comes to mind. Yet, many people experience discomfort that begins in or spreads to their left arm. It may feel like a dull ...

Left upper quadrant (LUQ) pain stems from conditions that affect organs like your spleen, kidney, or stomach. It's best to see a doctor if your LUQ pain worsens or lasts more than 48 hours. Treatment ...

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, ...