Seven people in San Diego have died in recent months from a "flesh eating" infection tied to use of black tar heroin, according to health officials.

The man was discovered to have tapeworm larvae in his brain.

Officials have more evidence that a chemical called vitamin E acetate is playing a role in the recent vaping outbreak, which has sickened thousands of Americans.

U.S. officials are warning Americans not to eat romaine lettuce from Salinas, California.

A woman in Tennessee developed an infection with "flesh-eating" bacteria in her eye sockets.

A teen in Canada may be the first person to develop "popcorn lung" due to vaping, according to a new report.

The world's first injectable male birth control may may finally be on its way to approval in India, according to news reports.

A company called Air Protein recently announced the creation of its new "air-based" meat, which is made from elements found in air.

The puppy appears to have an extra tail on his face, but things are not what they seem.

A man whose iris appeared to glow on an eye exam turned out to have a rare disorder that caused his eye pigment to flake off.

A stream in South Korea turned red from the blood of thousands of slaughtered pigs.

An employee at Buffalo Wild Wings died, and more than a dozen others were injured, when they were exposed to toxic fumes created by a mix of common cleaners.

A man in China who experienced seizures and other mysterious symptoms turned out to have a rare parasitic tapeworm in his brain.

Although certain genes boost a person's risk of depression, increased levels of exercise essentially canceled out this risk.

A woman developed a horrifying infection with a parasitic eye worm that she likely caught while on a trail run in California.

When a boy's tongue became stubbornly stuck in a juice bottle neck, a doctor had a unique idea to get it unstuck.

A woman's pet rat gave her a potentially fatal illness known as "rat bite fever."

Many Americans actually do have enough free time in their day for exercise, but they spend that time looking at screens instead, a new study suggests.

When used correctly, microwave ovens are safe, according to the FDA.

A lab worker in San Diego became infected with a smallpox-related virus after she accidentally stuck herself with a needle.

The NIH wants to cure HIV and sickle cell disease with gene therapies, and will invest $100 million over the next four years towards that goal.

A man ate a cupcake so fast he failed to notice that he had swallowed the cupcake topper, which said "Happy Mother's Day."

A rare condition called cerebrotendinous xanthomatosis causes fatty growths to form in the tendons and the brain.

Fat can accumulate in some insidious places in the body, including your lungs, a new study finds.