If you've ever had a muscle seize up, you know it's painful and can stop you in your tracks. But what actually causes muscle cramps or spasms, and what can be done about it?
There are many different kinds of epilepsy with symptoms ranging from mild to potentially life-threatening.
A diarrhea-causing bacterium is evolving into a new species that thrives on sugar-rich Western diets and readily spreads in hospitals.
A U.K. man's dentures fell down his throat during surgery and were stuck there for more than a week before they were discovered.
The relationship between arm movements and gaits could help explain how arm proportions evolved in the human family tree.
Ever since Gwyneth Paltrow endorsed vaginal steaming, doctors have warned that the practice isn't without risks.
A medical procedure that has been used to freeze a woman's ovaries is being offered for the first time as a way to delay menopause.
The heart, lungs and about 60,000 miles of blood vessels work together to keep blood pumping through our bodies.
Caffeine may really be a trigger for migraines, but only if you consume a lot of it, a new study suggests.
Half a dozen cancer patients in New York developed a rare infection after they received injectable opioids that a nurse had diluted with tap water, according to a new report.
A little lick from a puppy may have led to a life-threatening infection for one woman in Ohio, who ended up needing her hands and legs amputated.
President Trump called for better identification of people with mental illness as a way to stop gun violence and mass shootings. But what would that do?
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