Monica Seles, the Serbian-American tennis star who has won nine Grand Slam titles, opened up to international media in August that she had been diagnosed with the rare autoimmune disease myasthenia ...

Russian President Vladimir Putin said he and U.S. President Donald Trump had come come to an "understanding" over the ...

Myasthenia gravis is an autoimmune disease causing muscle weakness that fluctuates throughout the day, with symptoms ranging ...