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Is pot safe when pregnant?

Study seeks answer, draws critics

Cities again see more overdose deaths than country towns

NEW YORK – U.S. drug overdose deaths had been most common in Appalachia and other rural areas in recent years, but they are back to being more concentrated in big cities, according to a gove...

Hurry up and wait: Doctors say insurers increasingly interfere

After Kim Lauerman was diagnosed with ovarian cancer, doctors wanted to give her a drug that helps prevent infections and fever during chemotherapy. Her insurer said no. Anthem Bl...

New standards aim to improve surgery for the oldest patients

WASHINGTON – The 92-year-old had a painful tumor on his tongue, and major surgery was his best chance. Doctors called a timeout when he said he lived alone, in a rural farmhouse, and wanted ...

Study: Millions should stop taking aspirin for heart health

WASHINGTON – Millions of people who take aspirin to prevent a heart attack may need to rethink the pill-popping, Harvard researchers reported Monday. A daily low-dose aspirin is r...

Diplomats’ brain scans show differences, add to Cuba mystery

CHICAGO – Advanced brain scans found perplexing differences in U.S. diplomats who say they developed concussion-like symptoms after working in Cuba, a finding that only heightens the mystery...

New clues on why women’s Alzheimer’s risk differs from men’s

LOS ANGELES (AP) – New research gives some biological clues to why women may be more likely than men to develop Alzheimer’s disease and how this most common form of dementia varies by sex. ...

Number of U.S. overdose deaths appears to be falling

NEW YORK – U.S. overdose deaths last year likely fell for the first time in nearly three decades, preliminary statistics suggest. The Centers for Disease Control and Prevention on...

Scientists close in on blood test for Alzheimer’s

LOS ANGELES – Scientists are closing in on a long-sought goal – a blood test to screen people for possible signs of Alzheimer’s disease and other forms of dementia. On Monday at t...

U.S. growing largest crop of marijuana for research in 5 years

The U.S. government is growing the largest crop of research marijuana in five years, responding to interest in varieties with high levels of THC and CBD. The government is the onl...

A peek into opioid users’ brains as they try to quit

BETHESDA, Md. – Lying inside a scanner, the patient watched as pictures appeared one by one: A bicycle. A cupcake. Heroin. Outside, researchers tracked her brain’s reactions to the surprise ...

Teen odds of using marijuana dip with recreational use laws

CHICAGO – New research suggests legalizing recreational marijuana for U.S. adults in some states may have slightly reduced teens’ odds of using pot. One reason may be that it’s ha...