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Science Says: How family separation may affect kids’ brains

CHICAGO – Doctors have long known that separating families and other traumatic events can damage children’s well-being. More recent research has shed some light on how that may happen: Sever...

Enemy turned ally: Poliovirus is used to fight brain tumors

One of the world’s most dreaded viruses has been turned into a treatment to fight deadly brain tumors. Survival was better than expected for patients in a small study who were given genetica...

Medical milestone: U.S. OKs marijuana-based drug for seizures

WASHINGTON – U.S. health regulators on Monday approved the first prescription drug made from marijuana, a milestone that could spur more research into a drug that remains illegal under feder...

How do you count deaths from a hurricane?

NEW YORK – How many people died in Puerto Rico from Hurricane Maria? It’s a question that has been debated since the powerful storm slammed into the island and devastated the U.S....

Pain medicine group cancels doctor training about marijuana

Request to cancel came from a federal agency

New evidence that viruses may play a role in Alzheimer’s

WASHINGTON – Viruses that sneak into the brain just might play a role in Alzheimer’s, scientists reported Thursday in a provocative study that promises to re-ignite some long-debated theorie...

Smoking hits new low; about 14 percent of U.S. adults light up

NEW YORK – Smoking in the U.S. has hit another all-time low. About 14 percent of U.S adults were smokers last year, down from about 16 percent the year before, government figures ...

Compulsive video-game playing could be mental health problem

GENEVA – Obsessive video gamers know how to anticipate dangers in virtual worlds. The World Health Organization says they now should be on guard for a danger in the real world: spending too ...

NIH ends alcohol study, citing funding, credibility problems

WASHINGTON – The U.S. government is shutting down a study that was supposed to show if a single drink a day could prevent heart attacks, saying ethical problems with how the research was pla...

Prescription drug use may increase risk of depression, study says

More than a third of American adults at potential risk

Fewer U.S. teens smoking, doing drugs – and drinking milk

NEW YORK – Fewer U.S. teens are smoking, having sex and doing drugs these days. Oh, and they’re drinking less milk, too. Less than one-third of high school students drink a glass ...

Research comes to surprising conclusion about marathon runners and arthritis

A new study comes to the somewhat counterintuitive conclusion that marathon runners have less arthritis than non-runners. The study Most people would assume that serious runners f...