Sara G. Miller

When doctors in Mexico peered into a 17-year-old boy's eye, they got a squirming surprise: a flatworm wriggling in and out of the teen's eyeball.

The levels of magnesium in your blood may be linked to your risk of developing dementia later in life, a new study from the Netherlands finds.

Life expectancy in the United States ticked upward between 2000 and 2015, but that rise was blunted by increasing rates of opioid-related deaths, a new report finds.

People whose brains respond strongly to rewards may be less prone to some of the negative effects of sleep deprivation, a new study finds.

It's not uncommon to find raw foods on a restaurant menu — think sushi or steak tartare — but if uncooked poultry pops up on a menu, stay away.

An online therapy program designed to treat insomnia also appears to reduce levels of anxiety and depression, a new study from the United Kingdom finds.

Bladders stones — mineral masses that form in the bladder — can cause problems even when they're small: The stones can be painful and make it difficult to urinate.

Your height may be linked to your risk of blood clots: A new study from Sweden finds that taller men and women were more likely to develop blood clots in their veins than their shorter counterparts.

Next time you're sitting near someone who yawns, try this: Don't yawn. Odds are, you'll probably find that it's pretty difficult to hold back.

An infant girl in Connecticut developed lead poisoning after wearing — and chewing on — a bracelet made with lead beads, according to a new report of the child's case.

Humans first journeyed into space in 1961, but even half a century later, questions remain about how spaceflight affects the human body.

The active ingredient in the drug ecstasy passed an important hurdle on the path to becoming a prescription drug for treating post-traumatic stress disorder.

Houston and other parts of southeast Texas are in the midst of historic flooding from Harvey, now a tropical storm, with heavy rain still expected to batter the region in the coming days.

When you Google "clinical depression" on your smartphone, you'll get more than a list of the symptoms: Now, Google will ask if you would like to "check if you're clinically depressed."

A woman in Arizona died from an infection called rabbit fever, despite never coming into contact with any rabbits, according to a recent report of the woman's case.

What if you could reap the benefits of exercise without moving a muscle?

The patterns in your brain may predict how your body physically reacts to stressful situations, a new study finds.

Talk about an earache: When a man in China went to the hospital because of severe ear pain, doctors found a live gecko curled up in his ear canal, according to news reports.

Even the president of the United States couldn't look away from the Great American Solar Eclipse.

A 12-year-old girl in Florida damaged her eyes by looking at the sun for 1 minute, according to a new report of the girl's case.

Dogs of a different color have been spotted roaming the streets of Navi Mumbai in India, according to news reports.

For those who prefer no hair "down there," beware: Pubic hair grooming injuries may be more common than you think.