Itchy skin, or pruritus, is common and can affect any part of the body. Many factors can cause itchy legs, including skin conditions, diabetes, or allergic reactions. Learn about causes and treatments here.

Beta-blockers are a type of medication that can treat heart conditions. Some doctors also prescribe them to ease the symptoms of anxiety. Learn more in this article.

Keeping track of heart rate while running can help people maximize their fitness or weight loss goals. Learn about heart rate zones, safe levels, and how to measure heart rate here.