CNN Health

The US Centers for Disease Control and Prevention is investigating a salmonella outbreak that has been linked to flour, and it's urging people not to eat or play with uncooked dough or batter.

The US Centers for Disease Control and Prevention is sending personnel to Africa to help stop outbreaks of Marburg virus disease and is urging travelers to certain countries to take precautions. The CDC is also taking steps to keep infections from spreading to the United States.

The bump on a young California girl's hand was mysterious -- and growing. It wasn't until she had seen two doctors and undergone a biopsy that her family realized the cause: The child had gotten in the way of a hungry iguana with a sweet tooth, resulting in what may be the first documented infection of a rare bacterial infection in a human from an iguana bite.

Researchers in New York developed a virtual reality maze for mice in an attempt to demystify a question that's been plaguing neuroscientists for decades: How are long-term memories stored?

Seven US government investigators briefly fell ill in early March while studying the possible health impacts of a toxic train derailment in East Palestine, Ohio, the US Centers for Disease Control and Prevention confirmed to CNN on Thursday.

No matter what the James Webb Space Telescope, Hubble Space Telescope or our other tools of space exploration discover next, it's likely to be located many light-years away.

Virgin Orbit — the rocket company founded by British billionaire Richard Branson — is laying off the vast majority of its workforce as company leadership struggles to secure additional funding.

Prescriptions for stimulants often used to treat attention-deficit/hyperactivity disorder surged during the pandemic, especially among adults, a new study found.

Emergency department visits for firearm injuries in the United States dropped slightly since 2020, but the rate in 2022 was still above pre-pandemic levels.

An outbreak of acute severe, unexplained hepatitis in previously healthy children in 2022 may be linked to adeno-associated virus 2, or AAV2, according to three independent studies published Thursday in the journal Nature.

Plants make popping sounds that are undetectable to the human ear, according to recordings made in a new study — and they make more sounds when thirsty or under other kinds of stress.

Everyone snores at one time or another, but do you know the warning signs of more serious, potentially life-threatening sleep disorders such as obstructive sleep apnea? Sleep experts explain here.

Cynthia Elford loves to travel and hike, but a few years ago, her Type 1 diabetes made getting around nearly impossible. By 2018, the Pennsylvania grandmother faced the possibility of losing her right leg because of a diabetes-related circulation problem, and she developed sores on her toes that kept getting worse.

Buffalo Bills safety Damar Hamlin said on Wednesday that growing up as a child who played football, he never thought about CPR or where an automated external defibrillator (AED) was at his school or on the field.

Advisers to the World Health Organization will consider next month whether to add liraglutide, the active ingredient in certain diabetes and obesity medications, to its list of essential medicines.

Astronaut Frank Rubio traveled to the International Space Station on September 21, 2022, for what he thought would be a six-month mission. But he'll wind up staying in space for over a year — breaking the record for the longest mission conducted by a US astronaut.

Children who live with cats or dogs during fetal development and early infancy may be less likely than other kids to develop food allergies, according to a new study.

Janssen, the pharmaceutical division of the Johnson & Johnson companies, announced Wednesday that it will scrap development of a vaccine for respiratory syncytial virus, or RSV, in adults.

US lawmakers are moving to classify xylazine, the animal tranquilizer that's increasingly infiltrating illicit drugs, as a controlled substance.

Migraines can be a lot more debilitating than "just a headache," experts say. Here's how to identify a migraine, what might cause it, what triggers an attack and what you can do to stop it.