Doctors were just guessing a decade ago when they gave Alison Cairnes' husband a new drug they hoped would shrink his lung tumours. Now she takes it, but the choice was no guesswork. Sophisticated...

New guidelines lower the threshold for high blood pressure, adding 30 million Americans to those who have the condition, which now plagues nearly half of U.S. adults. High pressure, which for...

Gyms across the country will be packed in the new year with people sticking, however briefly, to their New Year’s resolution to lose weight. Most of them do not know that the cards are stacked...

U.S. health authorities announced plans to crack down on doctors pushing stem cell procedures that pose the gravest risks to patients amid an effort to police a burgeoning medical field that...

Dr. Byron Maas surveys a supply of marijuana products for dogs that lines a shelf in his veterinary clinic. They're selling well. "The 'Up and Moving' is for joints and for pain," he explains....

Gender is generally thought of as a stable trait: we are born male or female and we stay that way as we grow from small children to adults. It turns out that for young children, initial concepts...

The van was coming for Richard Rivera, but it was taking a long time. He waited inside the entrance of Saint Anthony Hospital where he had spent the past three days getting off heroin. His next stop:...

Parents often receive books at pediatric checkups via programs like Reach Out and Read and hear from a variety of health professionals and educators that reading to their kids is critical for...

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 modestly raise the...

The main author of a contentious Vatican draft report on welcoming gays and divorced people into the church defended the document Wednesday but acknowledged problems and said there was ample room for...