Multiple sclerosis, an autoimmune condition, causes the immune system to mistakenly attack myelin cells, which are protective ...

"More and more, we noticed his left arm would just hang to the side, and stayed closed in a fist," Aly Borst told Newsweek.

A new study shows that the movement’s supporters are more likely to be racially resentful. As speculation that Florida Gov. Charlie Crist will run for U.S. Senate as an independent reaches a fever ...

James Bickerton is a Newsweek U.S. News reporter based in London, U.K. His focus is on covering news and politics in Texas, as well as other general news across the United States. James joined ...