A group of specialists called the Gray Team challenged the dogma that said head injuries were serious only if they were obvious and bloody. Bomb blasts can lead to lasting but invisible damage.
Accidental deaths are up by more than 15 percent from a decade ago. Safety officials point to opioids and heroin, but also to falls. Car crashes aren't killing as many people as they did a decade ago.
It's now legal for doctors to prescribe lethal medications to terminally ill patients who want them. But many doctors say they feel queasy about it. Lonny Shavelson wants to help them with that.
Microsoft researchers say in a new study that Bing searches held clues to pancreatic cancer diagnoses. But what role should new data streams like Web searches and social media play in public health?
Opioid addiction treatment is a growth market, and private equity firms are buying up treatment centers and chains. But it's too soon to say how this might affect access to care and quality.
Syphilis cases are on the rise. The bacterium that causes the sexually transmitted disease is becoming resistant to some antibiotics. But somehow, penicillin has remained the best weapon against it.