CNN Health

Things are about to get busy on the International Space Station as the first in a series of end-of-the-year spacewalks kicked off Tuesday morning.

The rate of premature birth in the United States is climbing, according to the infant and maternal health nonprofit March of Dimes.

The respiratory virus season has started early in kids this year and flooded children's hospitals in many parts of the country -- especially with respiratory syncytial virus, known as RSV.

The five-year lung cancer survival rate has increased 21%, from 21% in 2014 to 25% in 2018, making what experts call "remarkable progress" -- but it is still the leading cause of cancer death in the United States.

Higher Covid-19 vaccination rates among US children could prevent thousands of pediatric hospitalizations and millions of missed school days, according to an analysis published Tuesday by the Commonwealth Fund and the Yale School of Public Health.

Being exposed to too much artificial light through bedroom windows while you sleep at night was linked to a higher risk of diabetes in a study of tens of thousands in China. Here's what you can do at home to protect yourself.

More than 3 million US middle and high schoolers -- about 11% of students -- reported current tobacco use in 2022, according to a new study from researchers at the US Food and Drug Administration and the US Centers for Disease Control and Prevention.

An experimental treatment, gantenerumab, failed to help people at high risk of memory loss from Alzheimer's or those who were in the early phases of the disease, the manufacturer said Monday.

Scientists have found the earliest known evidence of cooking at an archaeological site in Israel.

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier booster.

As covid-19 raged, roughly 4,000 highly skilled epidemiologists, communication specialists, and public health nurses were hired by a nonprofit tied to the Centers for Disease Control and Prevention to plug the holes at battered public health departments on the front lines.

There has been a steady increase in the number of children who are seen in emergency rooms for suicidal thoughts, according to a new study -- and the increase started even before the Covid-19 pandemic, which brought record high demand for psychological services for children.

A simple act of kindness does much more than help the receiver, studies show, and any kindness you give to others is also a gift to yourself.

A mindfulness meditation course may be as effective at reducing anxiety as a common medication, according to a new study.

Even before their daughter was born in June, Aaron and Helen Chavez knew she would need heart surgery. Doctors expected her to have an operation around 6 months of age.

Four years ago, Morris J. Alexie had to move out of the house his father built in Alaska in 1969 because it was sinking into the ground and water was beginning to seep into his home.

Grief is an experience individual to each person, but generally it can help to have someone there for you. A dog may be perfect. Experts share how to know if a dog could help you and how to bring one into your life.

The Artemis I moon rocket is still standing after battling Hurricane Nicole, which made landfall as a Category 1 storm roughly 70 miles south from the Kennedy Space Center in Florida overnight. The $4.1 billion rocket rode out the storm while sitting exposed on its launchpad.

Judy Salins considers herself a smart, empowered patient, but until this week, she had no idea that the medicine she takes to defend herself against Covid-19 isn't protecting her as well as it used to.

Explorers trudged the Atlantic Ocean searching for World War II artifacts lost at sea, but they stumbled on something else — a 20-foot-long piece of debris from the Space Shuttle Challenger, which was destroyed shortly after takeoff in 1986.