There are several causes of pain in the breast and armpit. Some of the most common causes include hormonal changes, an ill-fitting bra, or a muscle strain. Share on Pinterest Yauheni Rak/Getty Images ...

Breast pain in men can have a variety of causes. Male breast pain can occur due to muscle strain, a cyst, or gynecomastia. Some causes might require treatment, but many are harmless. Most causes of ...

When we talk about breast health, the conversation almost always focuses on women. However, men have breast tissue too, and it is more common than you might think for men to experience soreness, ...

Experiencing random aches and pains is just part of life. But when you have pain under your left breast, it’s understandable to have questions. After all, your heart and a bunch of other vital organs ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. A muscle strain, or a pulled muscle, is among the most common injuries affecting people of all ages, particularly those engaging in ...

The armpit is a complex junction where muscles, nerves, blood vessels, and lymph nodes meet. Because it is such a busy area of the body, experiencing pain there is surprisingly common. For some, it is ...

A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

Julie Brinklow, a prominent bagpiper from Scotland, dismissed “bigger muscle” in her right breast as a side effect of playing the bagpipes When her partner insisted she go to the doctor, she was told ...

For many women with breast cancer, the very treatment that saves their lives can also bring fatigue, loss of muscle mass, ...

For many women with breast cancer, the very treatment that saves their lives can also bring fatigue, loss of muscle mass, emotional strain and other daunting obstacles. A new study shows that exercise ...