CNN Health

In the United States, the culprit behind most rabies cases has shifted from dogs to bats. The flying mammals now cause 7 out of 10 US rabies cases, according to a report from the Centers for Disease Control and Prevention.

Facebook is no longer just a place to connect with former high school buddies; the social media giant now wants to make it easier for you to connect with blood banks, too.

A simple pill taken every day, known as "pre-exposure prophylaxis" or PrEP, can help prevent an infection with HIV. Doctors should offer PrEP to people at high risk of acquiring HIV, according to a new US Preventive Services Task Force statement published Tuesday.

Several popular breakfast foods, including Cheerios and Nature Valley products, continue to test positive for trace amounts of a controversial herbicide that may increase the risk of cancer, according to a report released Wednesday by an environmental advocacy group.

The Ebola outbreak in the Democratic Republic of Congo made the long-feared jump across borders with three cases confirmed Wednesday in Uganda, including the death of a 5-year-old boy who had the virus.

One of the nation's top experts on opioid addiction said Tuesday that Johnson & Johnson's role in the current epidemic may be even "worse" than that of Purdue Pharma, the maker of OxyContin.

Cincinnati, Ohio, has a new police chief and he's only 10 years old.

From the trunk of a car to the lid of a piano, dads sometimes have to get creative when it's time to change their child's diaper without a changing station.

A group of moms held a "nurse-in" at a Texas swimming pool to support a woman who says she was kicked out for breastfeeding her baby.

The US Food and Drug Administration issued its final guidance for e-cigarette makers to submit premarket tobacco product applications, giving these companies a clearer path to seek official authorization to market their products, the agency announced Tuesday.

As people head outdoors during the summer, their risk of becoming infected with tick-borne diseases rises. Two cases of a rare tick-borne disease were confirmed Saturday by the Sussex County Division of Health in northern New Jersey.

A 7-year-old with epilepsy has spent a lot of time in the hospital -- and she's always had her teddy bear to comfort her. But she noticed that other kids didn't. So, she went on a mission to provide stuffed animals to children in hospitals, foster care and emergency situations.

It's never easy to tell a patient about a terminal illness, but a longtime doctor whose own diagnosis was botched says physicians must do better.

When a patient's blood pressure reads normal at home and high in a doctor's office, it's called "white coat hypertension" -- and new research suggests that it is not a benign condition.

The Gulf of Mexico could see one of its largest dead zones on record this summer, according to researchers.

There's no question: The ongoing measles outbreak in New York is in a league of its own.

Keeping a lot of light on while you snooze -- such as from a television or bright nightlight -- has been linked with an increased risk of weight gain and obesity.

Tyson Foods, Inc., has recalled more than 190,000 pounds of Tyson Fully Cooked, Whole Grain Golden Crispy Chicken Chunk Fritters that may be contaminated with hard plastic, the company said in a statement.

Climate change is rapidly changing the environment we live in. But how far would you be willing to go to help save the planet?

The modern vaccine for whooping cough becomes less effective as children age, a new study shows, highlighting the need for new vaccines to protect children against the highly contagious disease.