As many as one in four U.S. students are misusing ADHD prescription drugs, according to new research. A study published on Tuesday found widespread misuse of drugs for attention-deficit and hyperactivity disorder. The study in JAMA Network found students used the medications without a doctor's prescription or for nonmedical reasons, and described the results as "a major wake-up call." The findings were based on a survey of more than 200,000 students in 8th, 10th and 12th grades.
Surgeons have transplanted a pig’s heart into a dying man in a bid to prolong his life – only the second patient to ever undergo such an experimental feat. Two days later, the man was cracking jokes and able to sit in a chair, Maryland doctors said Friday.
Tropical Storm Ophelia formed off the mid-Atlantic coast and was expected to bring heavy rain, storm surge and windy conditions over the weekend, the National Hurricane Center said Friday.
