College students with attention-deficit/hyperactivity disorder (ADHD) have a harder time making it to graduation than their peers do, a new study suggests. Researchers found that of 400 students they followed, those with ADHD had a lower grade-point average (GPA) — about half a grade lower — than students without the disorder. The gap emerged freshman…  read on >  read on >

Doctors are testing a decades-old surgical technique as a new way to treat certain stroke patients. And the preliminary results look promising, they say. At issue are strokes caused by intracranial atherosclerosis, where blood vessels within the brain become hardened and narrowed. Strokes occur when the blood supply to the brain is disrupted, depriving tissue…  read on >  read on >

A clinical trial evaluating the use of convalescent plasma in patients with mild to moderate COVID-19 symptoms has been halted because the treatment didn’t benefit them, according to the U.S. National Institutes of Health. Convalescent plasma (also called “survivor’s plasma”) is derived from the blood of patients who have already recovered from COVID-19. It’s thought…  read on >  read on >

Researchers have identified 44 new genetic variants associated with glaucoma, a leading cause of blindness. They say their findings could provide new targets to treat the common eye disease. In their study, the international team compared the genes of more than 34,000 people with glaucoma and more than 349,000 people without the incurable eye condition.…  read on >  read on >

When temperatures rise, people with multiple sclerosis need to keep cool. Heat sensitivity is a hallmark of the central nervous system disorder. So, what happens when warm weather spikes become more frequent because of climate change? More MS patients end up in the emergency room. A new study found that during periods of unusually warm…  read on >  read on >