Now in its second year, the All of Us study marches onward to 1 million people—and genetics research is lighting the way.

Social activity during midlife is linked to better memory and reasoning skills.

Born with a disorder of the bowel called Hirschsprung disease, Paul underwent surgery at 6 months of age for a delicate repair.

The rules have changed.

Your go-to tool in a hot spell might do more harm than good.

The average age for pancreatic cancer diagnosis is 71. John Morris hit it on the nail. But now, he's defying the odds.

Low level of blood protein that transports oxygen is associated with greater risk of Alzheimer's and other types of dementia.

Born with a rare and life-threatening immune system disorder, baby Emmett gets a new start with a bone marrow transplant.

When a bad headache leads to brain surgery for a 4-year-old girl, her parents explain it in words she can understand.

After sudden cardiac arrest a year ago, 14-year-old Lani Salinas is spreading awareness about this often fatal condition.

Scientists have devised a bacteria that can interfere with mosquito reproduction, which may help cut down on the insect's population.

Your body heat might trigger the release of potentially harmful chemicals in your mattress.