Researchers have discovered a biological switch that explains why movement keeps bones strong. The protein senses physical activity and pushes bone marrow stem cells to build bone instead of storing fat, slowing age-related bone loss. By targeting this “exerc…

Asthma may not be driven by the molecules scientists have blamed for decades. Researchers have identified “pseudo leukotrienes,” inflammation-triggering compounds formed by uncontrolled free-radical reactions rather than normal enzymes. These molecules were f…

UTIs are generally caused by bacteria — E. coli, most often — and research suggests that, at least in some cases, the bacteria may come from meat.

A long-term study found that while a ketogenic diet prevented weight gain, it also triggered major metabolic problems. Mice developed fatty liver disease, abnormal blood fats, and an impaired ability to control blood sugar—especially after reintroducing carbo…

This Golden Retriever is officially obsessed with laundry vent — watch the hilarious video of Theo's 'Ventanol' addiction in Brooklyn.

Life Biosciences gets FDA approval to test aging reversal gene therapy in vision loss patients, using proteins discovered in David Sinclair's Harvard lab.

It's common to think that supplements are a must for healthy aging, but that's not always true. Learn from dietitians which ones you should avoid.

It’s sweet, it’s natural, and it hides something powerful inside, scientists are finally uncovering this fruit’s real potential.

The winter blues can leave us feeling depleted and unmotivated. To help you boost your dopamine, we asked psychologists for six hobbies that'll make you happier.

Study provides clearest evidence to date to link severe CTE to dementia risk.

As Brazil’s Atlantic Forest shrinks, mosquitoes that once fed on many animal species appear to be shifting toward humans. Along Brazil’s coast, the Atlantic Forest packs remarkable biodiversity into a shrinking strip of habitat, with birds, amphibians, reptil…

Mounting evidence points to a link between new-onset allergies and Long COVID, with mast cell activation syndrome as a potential culprit.

When CNN asked for your flu stories, we received hundreds of written responses from people stuck in bed, binge-watching TV, working from home and trying to keep their kids under control — all while feeling terrible.

The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

As doctors learn why GLP-1s don't work for about 50% of people, they are also learning more about the complex drivers of obesity. They foresee a future of personalized obesity medicine similar to the way cancer is treated now.

The nutrient can’t solve all your mental health woes, but it can definitely help. Experts share how and when to consume it to manage your nerves.

A single-cell epigenomic atlas of human immune cells highlights cell-type-specific features associated with genetic or environmental exposures.

An outbreak of the deadly Nipah virus in India has prompted several airports across Asia to implement new COVID-style health precautions.

Mohammad Samad's stage 3 colon cancer was misdiagnosed as stress, IBS, and Crohn's disease.

The qualified medical experts, the pseudoscientific entertainers, and the MAHA mobilizers leading online health content today.

Scientists should probably spend more time studying how puppy brains work because their logic is honestly baffling. The plan was simple: a warm bath, a few...

The AAP is recommending immunization against 18 diseases.​ Earlier this month, the CDC reduced its recommendations for childhood vaccines to 11 diseases.

How often a person poops has a surprising link to one vitamin in particular.

We know that physical exercise is good for our health and longevity, but new research shows how even the smallest differences in our daily habits can lead to meaningful benefits.