
We Still Don’t Know What Fundamentally Causes Canker Sores
But it’s probably the immune system’s fault.
Our health writers explore wellness culture, human behavior, mortality and disease, and other mysteries of the body and the mind.

But it’s probably the immune system’s fault.

COVID knocked flu, RSV, and other respiratory diseases out of whack. When will they be back to normal?

All hail the sweet potato.

Paxlovid can be a lifesaving treatment for COVID. Why do so many patients turn it down?

Mask smarter, not harder.

You’re now allowed to see everything physicians say about you in their notes. It’s complicated.

Decades after the ADA passed, medical care still isn’t accessible.

It’s been a year since Omicron changed everything. Experts say a repeat is unlikely, but not impossible.

How many times will I get sick this winter?

For most Americans, “how many” doesn’t matter anymore. “How recently” does.