Environmental stressors can turn on cells' genes when they're supposed to be off.

The FDA announced today that alcoholic beverages with added caffeine are illegal and dangerous. Experts explain why these drinks pack such a punch.

A genetically modified form of a common probiotic reduced colon inflammation in mice.

1 in 3 girls will finish all three HPV vaccine doses, according to the new study.

Actress Catherine Zeta-Jones checked herself into a mental health facility for treatment for bipolar II disorder after stressful events.

Group says FDA decision is overreach by government.

Estrogen therapy can cut breast cancer risk by 20 percent, according to the new research.

Time spent in traffic accounted for the most heart attacks, the study said.

Women who drink 10 cups a day of green tea don't have a lower chance of breast cancer than women who drink less than a cup a week.

Elderspeak and loss of independence are frustrating to people with dementia, a health expert says.

Gay men are almost twice as likely as straight men to report having had cancer in adulthood.

Here's a countdown of four diets that may seem to work at the beginning, but aren't promising for lasting weight loss.

Smoking increases Alzheimer's disease risk by 157 percent, a new study says.

C-sections and induced labor have no effect on the health outcome for the newborn in low-risk pregnancies.

Even a small amount of the vitamin can greatly decrease one's risk of developing Alzheimer's disease.

The study didn't find an increased wheezing risk for ibuprofen or aspirin, though.

Microbleeds can occur either from blood vessel damage, or accumulation of amyloid plaques in blood vessels.

Dave Duerson shot himself in February.

Caffeine relaxes the Fallopian tube muscles, which stops the egg from going from the ovaries to the womb.

Can fad diets, like the Dukan Diet, really help you lose weight?

These results mean that when the body underreacts to stresses in life, it can be just as bad for your health as overreacting, said the researchers.

People with many cardiovascular risk factors saw their mental abilities decline over a 10-year period faster than people who had only a few risk factors.

The plant, called Cinnamomum subavenium, is a relative of the cinnamon plant.