Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Nine-time Grand Slam champion Monica Seles has revealed she was diagnosed with myasthenia gravis – a neuromuscular autoimmune condition – three years ago. The former professional tennis player has now ...

This autoimmune disorder affects how well your nerves and muscles communicate, leading to a variety of symptoms. Myasthenia gravis (MG) is a chronic autoimmune condition that affects signaling between ...