Scientists at Mass General Brigham and the Concussion Legacy Foundation said this new sign could identify up to a third of undiagnosed concussions. After someone gets hit on the head, sometimes ...

When a child walks through the door early from the park, shaking so hard their teeth chatter, every parent's brain jumps to the worst-case scenario. The body is screaming that something is wrong, but ...

“Several areas of the brain are involved in the generation and control of movement of all extremities,” says Katerina Markopoulou, MD, neurologist and movement disorder specialist at NorthShore ...

Have you ever noticed your body shaking involuntarily and wondered why on earth it happens? Dr Lawrence Cunningham, of the UK Care Guide, tells HuffPost UK the issue is “more common than many might ...

Facebook videos show women shaking and convulsing, saying it was caused by coronavirus vaccines. In one, an Indiana woman claims to have taken the Moderna vaccine. In another, a Louisiana woman says ...