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New studies show that even light activity is healthier than previously thought

As if you needed another reason to make fitness your New Year’s resolution: Two recent mortality studies have produced evidence that exercise – even light activity such as vacuuming or walki...

Are 3-D mammograms really better? U.S. puts scans to the test

WASHINGTON – A better mammogram? Increasingly women are asked if they want a 3-D mammogram instead of the regular X-ray – and now U.S. health officials are starting a huge study to tell if t...

Mercy hospital opens hub for sports medicine

7,000-square-foot space to offer physical therapy, athletic training and exercise classes

IUD program leads to decline in teen pregnancies, abortions in Colorado

DENVER – Colorado teen pregnancies and abortions have dropped sharply since 2009, and state health officials attribute much of the trend to the increased availability of free and low-cost ac...

Gene therapy shows promise against blood-clotting disease

Gene therapy has freed 10 men from nearly all symptoms of hemophilia for a year so far, in a study that fuels hopes that a one-time treatment can give long-lasting help and perhaps even cure...

U.S. flu season off to an early start; widespread in 7 states

NEW YORK – This year’s flu season is off to a quick start and so far it seems to be dominated by a nasty bug. Health officials say the flu vaccine seems well matched to the viruse...

Small risk of breast cancer seen with hormone contraceptives

CHICAGO – Modern birth control pills that are lower in estrogen have fewer side effects than past oral contraceptives. But a large Danish study suggests that, like older pills, they still mo...

‘Take all their excuses away’: Hard cases in heroin fight

More than 64,000 died of drug overdoses last year in the U.S., most from opioids

Doctors: Over a year to see if uterus transplant successful

DALLAS – It took well over a year to determine if a woman who received a womb transplant would become the first in the U.S. to give birth, transplant surgeons in Dallas said Monday. ...

Replacing lymph nodes to ease painful legacy of cancer care

WASHINGTON – Breast cancer treatment left Susan Wolfe-Tank with an arm too painfully swollen to lift anything heavy or even fit into her usual clothing – a debilitating condition that gets l...

Expanding DNA’s alphabet lets cells produce novel proteins

WASHINGTON – Scientists are expanding the genetic code of life, using man-made DNA to create a semi-synthetic strain of bacteria – and new research shows those altered microbes actually work...

First baby from a uterus transplant in the US born in Dallas

The first birth as a result of a womb transplant in the United States has occurred in Texas, a milestone for the U.S. but one achieved several years ago in Sweden. A woman who had...