Four months after a mild concussion, brain scans show abnormalities even though symptoms have mostly disappeared, raising concerns that patients are at a greater risk of reinjury than previously thought.
For a while when she was living on the streets, Nira Williams sold beer for $1 a can to the drunks who hung out at the shelters in Phoenix. She didn’t imbibe herself. Alcohol, she said, is one thing she didn’t get hooked on when she was in the U.S. Army.
Vitamin D supplements don’t help boost bone density in healthy adults, judging from a review of 23 studies that suggests the supplement should be limited to people with a documented deficiency to fight osteoporosis.
Improving the U.S. health-care system requires encouraging low-value doctors and hospitals to practice as well as high-value ones do. The gap between the two is wide, but that only shows how much room we have for improvement.
The Institute of Medicine will examine whether the process of hydraulic fracturing to extract natural gas from rock “poses potential health challenges,” a Centers for Disease Control and Prevention official said.
Susan G. Komen for the Cure, the breast-cancer advocacy group whose president resigned last year after criticism over funding policies, named Judith A. Salerno as its new president and chief executive officer.
The U.S. military’s approach to treating alcohol and substance abuse is outmoded, according to an Institute of Medicine report citing data showing prescription drug misuse is surging and heavy drinking is common.