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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...

Future is in doubt for cheaper versions of biologic drugs

TRENTON, N.J. – They were the drugs that were supposed to save the U.S. tens of billions of dollars. Called “biosimilars,” they are near-copies of complex and expensive biologic ...

Vaping laws take effect Monday across Colorado

Rules also tighten existing smoking restrictions

Vaccine no match against flu bug that popped up near end

ATLANTA – The flu vaccine turned out to be a big disappointment again. The vaccine didn’t work against a flu bug that popped up halfway through the past flu season, dragging down ...

New drug to boost women’s sex drive approved in U.S.

WASHINGTON – U.S. women will soon have another drug option designed to boost low sex drive: a shot they can give themselves in the thigh or abdomen that raises sexual interest for several ho...