The Dog Aging Project is working to help dogs live longer, healthier lives. The research results may help humans age well, too.

BA.3.2 represents a new lineage of SARS-CoV-2, genetically distinct from the JN.1 lineages that have circulated in the US since January 2024.

Animals sunbathe for a variety of surprising reasons – resulting in some unusual sights

Doctors share the number-one food for better digestion, plus the nutrient they say you need more of to support your overall gut health.

About one in five people have middle-of-the-night insomnia.

This student took on the growing problem of microplastics with an idea few had considered. The results are starting to turn heads.

"We could still see cases continuing to come in, we need to keep an eye on those, the UKHSA says.

“People need to be aware,” said Kerrie Durrant after her teenage daughter nearly died from meningitis

Skip complicated workouts — these functional strength exercises are designed to help you move better and age stronger

Romania’s history offers a rare natural experiment on what happens when abortion laws change rapidly. What can the rest of the world learn from this?

Grapes may impact blood sugar more quickly than an unripe banana, but this generally isn’t something to worry about. Here’s what you need to know.

A specific microbe found in the human gut appears to be able to boost muscle strength, new research suggests.

Nighttime caffeine increased impulsive behavior in fruit flies, with stronger effects in females and potential implications for night-shift workers.

As the body ages, subtle hormonal shifts begin to reshape where fat is stored, with important consequences for long-term health.

Everyone’s bathroom routine is different. What’s normal for you may not be normal for someone else.On "The Checkup" podcast with board-certified Dr. Mike (Mi...

From air pollution to microplastics to natural radiation, these are the environmental factors that contribute to cancer risk and what you can do to lower yours.

One of the largest measles outbreaks the US has seen in decades erupted at Ave Maria University in Florida, but very little information was being shared with the public. So CNN went to the small Florida town to learn what’s driving the case count.

You know you’ve reached a new level of pet parenthood when your dog’s unusual interests become your interests too. It mostly happens slowly. First, you’re...

Humans are actually limited in how much protein they can metabolize for energy, meaning early humans really needed a more well-rounded diet to survive.

The body processes environmental, social, and threat data at speeds that language-based cognition can't match. But we've built a civilization that only counts intelligence if you can articulate it.

Cardiologists reveal how inconsistent sleep schedules might be the daily sleep mistake hurting your heart health.

Bloating can occur due to constipation, dietary changes, and irritable bowel syndrome (IBS). Here, experts share the best ways to get rid of bloating fast.

Millions of people have a heart rhythm disorder called atrial fibrillation, which causes the heart's upper chambers or atria to beat chaotically rather than in a smooth, coordinated rhythm.

"I was very ashamed. I felt like everywhere people were judging me," Amber Dean tells PEOPLE, recalling when her symptoms were at their worst

Iran struck two communities near Israel's main nuclear research center late Saturday, leaving more than 100 people wounded in the southern part of the country.