A swimmer of any skill level might need your help, and preventing a drowning takes closer supervision of the kids than you might think. The distress signs can be subtle and quick.

The vast majority of headaches are innocuous despite the misery they cause. But here are the red flag signs to watch out for in the rare case a headache points to a bigger issue.

The pandemic has made it harder to exercise and easier to gain weight and delay routine checkups, bad habits that can prime your body for heart disease. These tips can help you get back on track.

If you've been delaying routine medical care in the past year, now's the time to catch up, doctors say. The consequences of missing some key screenings and health checkups can be lethal.

Researchers are looking into several key points: Can ultraviolet light kill the coronavirus, and is it safe to use? Or might your eyes pay a price?

Boston Children's Hospital saw a precipitous drop in cases during the spring shutdown, and the trend continues. Researchers are asking why — and what it would take to keep up the change post-pandemic.

Here's how to self-isolate, what the new quarantine guidance means for your household, and which symptoms signal you need immediate emergency care.

The U.S. biotech company Moderna announced its experimental COVID-19 vaccine is 94.5% effective. Operation Warp Speed science adviser Dr. Moncef Slaoui says he was ecstatic when he heard the news.

The president-elect has vowed to strengthen the Affordable Care Act, which gave millions of Americans health insurance. But many insured people still struggle to pay for health care, research finds.

Coughs, sore throats and runny noses are common in fall and winter, and they rarely signal dire disease. But with COVID-19 a threat this year and flu an annual hazard, here's what you need to know.

Certain diagnoses are harder to catch without an in-person connection. And beyond that, a doctor reflects on the loss of a ritual that can provide "real comfort and meaning" to physician and patient.