While strokes strike many Americans, a new study shows the risk is particularly high among American Indians. Researchers already knew that American Indians had the highest risk of atrial fibrillation, which is an irregular heartbeat (“arrhythmia”) that can increase the risk of blood clots and stroke. The new study found that American Indians had a…  read on >  read on >

Like many people this past year, teenager Tyona Montgomery began experiencing a sore throat and a loss of sense of smell and taste in November that suggested she might have COVID-19. A positive test confirmed it, but she quickly felt better. Then, just two weeks later, new symptoms surged. She was disoriented, with a headache…  read on >  read on >

Concussions can increase the long-term risk of a wide range of sleep disorders, a new study indicates. Researchers looked at more than 98,700 U.S. veterans diagnosed with a traumatic brain injury (TBI) and the same number of veterans with no history of TBI. The brain injuries ranged from mild TBI (concussion) to severe. None of…  read on >  read on >

Who is more likely to relapse after opioid addiction treatment — women or men? A new study that followed 1,100 recovering opioid users reveals that their risks are different. The researchers followed the men and women for one year after treatment at more than 100 substance-use treatment facilities across the United States. During that time,…  read on >  read on >

The first U.S. case of a Brazilian COVID-19 variant that doctors fear can re-infect the previously sick surfaced in Minnesota in early January 2021, and the more infectious variant has since been found in four other states, a new government report says. Known as the P.1 variant, it first appeared in a Minnesotan who’d recently…  read on >  read on >