A hypnic jerk is a sudden involuntary twitch or muscle contraction that occurs as you fall asleep. Also known as sleep starts, these hypnic jerks may jolt the entire body or affect only one part, like ...

Topamax (topiramate) is an anti-seizure medication that may be prescribed to prevent certain types of migraine headaches for adults and adolescents age 12 and older. A migraine is more severe than a ...

Current biomarkers of cognitive impairment in individuals with Alzheimer’s disease perform poorly. Now, a stronger predictor emerges.