Diseases

AFib is behind 1 in 7 US strokes, and its symptoms often look like everyday fatigue

The most common serious heart rhythm disorder often feels like ordinary stress or tiredness.

Ozempic may cut your asthma attack risk by nearly 40%

New research links semaglutide, the drug in Ozempic and Wegovy, to sharply fewer asthma attacks.

These teenagers most likely to develop an eating disorder

A large review of 51 studies found the opposite of what most clinicians expect.

Secondhand smoke killed 1.66 million people last year: Here’s what it does to the heart

A new study estimates that 2.7 billion people breathed someone else's smoke in 2023.

23 dead as West Nile spreads through 40 US states: the 7 symptoms to watch for

The CDC has logged 407 human cases and 23 deaths so far this season. Here is who is most at risk and when to seek care.

AFib is behind 1 in 7 US strokes, and its symptoms often look like everyday fatigue

The most common serious heart rhythm disorder often feels like ordinary stress or tiredness.

Ozempic may cut your asthma attack risk by nearly 40%

New research links semaglutide, the drug in Ozempic and Wegovy, to sharply fewer asthma attacks.

These teenagers most likely to develop an eating disorder

A large review of 51 studies found the opposite of what most clinicians expect.

Secondhand smoke killed 1.66 million people last year: Here’s what it does to the heart

A new study estimates that 2.7 billion people breathed someone else's smoke in 2023.

New AHA data on America’s heart: Decades of progress have started to slip

New AHA data shows decades of mortality gains are slipping across the US.

After a cancer diagnosis, these 5 lifestyle habits may cut your risk of dying early

A new UK Biobank study of 28,550 cancer patients ties each habit to an 8% lower death risk.

A drug-resistant fungus has spread to 27 US states. Here is who is actually at risk

New CDC data shows 3,437 Candida auris cases so far in 2026.

A ‘normal’ kidney test can still hide a threefold dialysis risk, study finds

A new Karolinska study says age matters when reading your kidney numbers.

Thousands with knee arthritis could benefit from new treatment

A minimally invasive procedure targeting abnormal blood vessels around the knee delivered lasting pain relief and improved mobility in most patients for at least a year.

Weeks of bad air quality could make your arthritis flares more frequent and severe

A large four-year study links prolonged PM2.5 exposure to worse rheumatoid arthritis symptoms.