Myasthenia gravis, or MG, is "a chronic autoimmune neuromuscular disorder that causes muscle weakness and fatigue," says Hesterlee. It occurs "when a person’s immune system is essentially attacking ...

Tennis champion Monica Seles is speaking publicly for the first time about her battle with a rare, incurable muscle-weakening disease. Myasthenia gravis (MG) is a chronic neuromuscular disease that ...

Low magnesium can cause muscle weakness, fatigue, and cramping. A poor diet and some medications can cause low magnesium levels. Around 50% of people in the U.S. do not get enough magnesium from food.

Monica Seles, the nine-time Grand Slam champ who once dominated the court with her signature two-handed style, is facing a new kind of opponent — and this one isn’t standing on the other side of the ...

Loss of muscle mass (muscle atrophy) can be a result of aging or lifestyle habits, like being inactive or eating a poor diet. Muscle loss can also point to hormone abnormalities or underlying health ...

Poorly functioning blood vessels lead to the characteristic muscle weakness that so many cancer patients experience. Artur Plawgo/Science Photo Library via Getty Images Tumors can destroy the blood ...

Possible Reasons, and The Best Labs for Fatigue Key Takeaways: Fatigue describes more than just feeling sleepy — it’s a ...

One of the first symptoms of LGMD is typically a weakening of the muscles in the hip and shoulder girdles. The hip girdle is a ring-like bone structure in the pelvic area, consisting of the pelvis, ...

Ocular myasthenia gravis is an autoimmune condition affecting the muscles surrounding and involving the eyes. Symptoms can include double vision, droopy eyelids, and more. Ocular myasthenia gravis ...

More than 30 types of muscular dystrophy have been identified. They all cause problems with movement due to muscle protein defects caused by genetic mutations. Muscular dystrophy is a group of ...