Christopher Wanjek

Children's hormone treatments may have spread a protein linked with Alzheimer's disease, according to a small new study.

One of the deadliest parasites in the world, the ameba Entamoeba histolytica, could be treated by targeting the human genes that allow the parasite to cause disease, researchers say.

By stacking up cells like Legos, scientists have found a new way to produce human tissues in the lab.

New mom and scientist Alice Callahan teaches other parents how to interpret studies on childrearing so that they can make informed decisions.

Babies who are breastfed can build up worrying levels of a potentially harmful class of industrial chemicals, a new study finds.

Health care debates are more about politics than a rational discussion to improve people's health, according to researchers who examined arguments made over the last 40 years.

Placebos can make people feel better, so why not use them?

Sugary drinks cause 184,000 deaths worldwide annually, including 25,000 deaths in the United States, according to a new study.

The U.S. dietary recommendations are based largely on data that is enormously flawed, a provocative article says. But other researchers dispute this.

Chocolate is good for your heart — sort of, maybe.

An experimental vaccine aims at keeping blood pressure low for several months, research say.

For people with diabetes, switching to a plant-based diet may ease nerve pain associated, according to a new study.

Going through puberty is hard for transgender kids, but hormone blockers can delay puberty while both the youth and the parents decide the best path forward.

People who walk for just 30 minutes daily benefit from it, a new study finds.

WASHINGTON — One out of 10 people will experience a seizure at some point in life, but most will never have second episode, so it's hard to say which patients should start taking medication.

Health apps are everywhere, but do they do more harm than good? Doctors are debating whether such self-monitoring mobile technology is useless — or even dangerous.

Researchers found that animals with more copies of certain genes -- which are involved in fighting inflammation -- have longer life spans.

When exposed to cigarette smoke, MRSA bacteria get stronger, a new study finds.

A wound-healing medicine that is suspended in nanoparticles could dramatically help wounds heal faster, researchers say.

Children and teens from poorer families show differences in their brains compared with wealthier children, a new analysis of MRI scans reveals.

Researchers have created a new diet they call the "MIND" diet, which may lower the risk of Alzheimer's disease.

Energy drinks might prime you for heart problems, a new study finds.

An ingredient in some cough medicines may help in the fight against Type 2 diabetes, new findings suggest.

People who drink four cups of joe daily have a lower risk of developing the debilitating disease multiple sclerosis (MS), researchers say.