U.S. teens are seriously underestimating how lethal the synthetic opioid fentanyl can be, a new study says.

More than half of American eighth-graders don’t think it’s dangerous to experiment with fentanyl, researchers reported July 7 in JAMA Network Open.

In reality, fentanyl is involved in at least 3 out of 4 te... Full Page

More men die from cancer than women, and a new study suggests one potential reason why.

Men are more likely than women to be diagnosed with advanced cancer that has spread to other parts of the body, researchers report in the July issue of the journal Cancer Epidemiology, Biomarkers & Prevention.

That means their cancer ... Full Page

Caring for a loved one with dementia can be incredibly stressful — and a great deal of that stress could be coming from caregivers second-guessing themselves, a new study says.

Caregivers who dwell on difficult problems, negative thoughts or distressing events can find their day-to-day anxieties developing into deeper stress, researc... Full Page

A targeted training program can help young female soccer players avoid torn knees and other injuries, a new study says.

Girls who play soccer have a higher risk of leg and ankle injuries compared to boys, due to differences in strength and balance, researchers said in background notes.

But a FIFA training program aimed at young playe... Full Page

A parasite that causes severe, watery diarrhea is spreading across the United States, and health officials in Michigan are racing to explain an unusual surge in cases.

Michigan's outbreak has grown fast. It has recorded 572 cases of cyclosporiasis as of July 4, up from 170 on June 30, according to the state’s Department of Health and... Full Page

Weight loss surgery can be a lifesaver for people with severe obesity, but they will need to watch the booze from then on, a new study says.

People who undergo gastric bypass or gastric sleeve tend to absorb alcohol more rapidly afterward, researchers reported recently in the International Journal of Obesity.

As a result, th... Full Page