CNN Health

You lose an hour of sleep when Daylight Saving Time begins. If you didn't start adjusting your family's sleep schedule, is it too late? Here's what the experts say.

The four astronauts who make up the Crew-5 team aboard the International Space Station returned home from a five-month stay in space Saturday, splashing down in the Gulf of Mexico.

Most men who are diagnosed with prostate cancer can delay or avoid harsh treatments without harming their chances of survival, according to new results from a long-running study in the United Kingdom.

It's easy to have a sense of gratitude when things are going your way or when holidays, like Thanksgiving, dictate it. But just as showing love shouldn't be reserved only for good times and special occasions like anniversaries, being grateful shouldn't happen only during optimal conditions or on designated days.

A new recommendation from the US Centers for Disease Control and Prevention says all adults should be screened at least once in their lifetime for hepatitis B, an illness that's linked to liver disease and cancer.

Few things about the American health care system infuriate patients and doctors more than prior authorization, a common tool whose use by insurers has exploded in recent years.

The US Food and Drug Administration approved a new nasal spray as a rapid treatment for migraine pain in adults.

In a podcast episode of Chasing Life with Dr. Sanjay Gupta, influencer Hank Green, who got his start on YouTube in 2007, has a lot to say about what the responsibility of having a platform is and whether the internet's future is utopian or dystopian.

The Biden administration is monitoring what experts say is the deadliest outbreak of bird flu that the US has ever seen, and officials are considering a "range of options" on how to respond.

What if doctors could just print a kidney, using cells from the patient, instead of having to find a donor match and hope the patient's body doesn't reject the transplanted kidney?

Sen. Dianne Feinstein, the 89-year-old California Democrat, recently announced she is out of the hospital and recovering at home from shingles, a painful viral inflammation in the skin's nerves that causes a blistering rash lasting for two to four weeks. Feinstein was diagnosed in February and hospitalized in San Francisco last week.

Are you ready to move your clocks forward by an hour this weekend? That's right — for most people in the United States, it's time to "spring forward" into Daylight Saving Time on Sunday, March 12, at 2:00 a.m.

A newly discovered asteroid roughly the size of an Olympic swimming pool has a "small chance" of colliding with Earth in 23 years, with a potential impact on Valentine's Day in 2046, according to NASA's Planetary Defense Coordination Office.

The millions of Norway rats that live alongside New Yorkers are among the animals that can catch the virus that causes Covid-19, a new study says. However, reports of the virus spreading from any types of animals to humans remain rare.

The US Food and Drug Administration announced updates to mammography regulations on Thursday, including requiring mammography facilities to notify patients about the density of their breasts.

The US Food and Drug Administration's commissioner issued a letter calling to action the infant formula industry in order to protect babies from illnesses caused by salmonella and the bacteria Cronobacter sakazakii.

Booty-shaking worker bees guide their fellow workers to pollen by a form of communication known as "waggle dancing" — performing steps that map out where food is located and how far it is from the hive.

CRISPR gene editing means a cure for sickle cell disease is on the horizon. However, the life-changing treatment is likely to remain out of reach for most of those who could benefit.

Eli Lilly & Co.'s announcement that it is slashing prices for its major insulin products could make life easier for some diabetes patients while easing pressure on Big Pharma. It also casts light on the profiteering methods of the drug industry's price mediators -- the pharmacy benefit managers, or PBMs -- at a time when Congress has shifted its focus to them.

For expectant parents Shakina Rajendram and Kevin Nadarajah, the doctor's words were both definitive and devastating: Their twins were not "viable."