Health

Understanding high cholesterol: Symptoms, risks, and treatment options

A box of Atorvastatin.

Turning up the heat helps animals fight germs—a lesson for humans on fevers

A cat's temperature being taken at a veterinary clinic.

Is erectile dysfunction the key to unlocking the crisis in men’s health?

A black couple enjoying intimacy in bed.

Your cortisol is probably fine. Here’s what TikTok gets wrong about the “stress hormone”

Sad woman sitting on a sofa with hands clasped.

Use it or lose it: How age affects cognitive skills

A video on a computer screen video showing an older teacher demonstrating lesson on whiteboard, with student watching in foreground.

Worm-inspired treatments inch toward the clinic

Laboratory worker using modern microscope to examine helminths.

Tick populations have surged in the Northeast. Here’s how to keep you and your pets safe this summer.

Silhouette of a tick seen through a leaf in a garden.

This city removed water fluoridation and is now reinstating it. Here’s what it cost residents.

Skyline of Calgary during sunset with golden light reflecting off skyscrapers.

What the U.S. can learn from Japan’s experience with an aging population

Four elderly women chatting in a garden in Takayama, Japan.

Are eating disorders genetic? Here's the data

A mother having a good time with her young daughter in a cafe outdoors.