Nobody wants to spend the last few decades of their lives in a wheelchair. People in their 70s and 80s recovered more quickly from physical setbacks if they remained active, a study finds.
Troops returning from Iraq and Afghanistan are far more likely to develop post-traumatic stress disorder if they have suffered a concussion. The reason may be a change in the brain's fear circuits.
It is still rare for a person struggling with alcohol abuse to be prescribed naltrexone or acamprosate, two medications that have been proven to help. Efforts are underway to change that.
Carfentanil, a potent variation on fentanyl, is being blamed for a wave of opioid overdoses. In Cincinnati, the coroner, crime lab and first responders are struggling to keep up.
A Washington state county is floating the idea of supervised clinics where people can inject heroin. King County's health officer Jeff Duchin tells NPR's Rachel Martin why he thinks it's a good idea.
California is among five states this year where marijuana legalization is on the ballot. But there's concern about if legalizing it will reduce the number of marijuana arrests among African-Americans.
The Food and Drug Administration approved a muscular dystrophy drug despite deeply flawed evidence. Was the decision a dangerous precedent or flexible pragmatism reflecting patients' values?