
What Europe’s COVID Wave Means for the U.S.
New variants are coming. How worried should we be?
Our health writers explore wellness culture, human behavior, mortality and disease, and other mysteries of the body and the mind.

New variants are coming. How worried should we be?

“It’s like showing up in a weird hat.”

When mouth guards fail, are injections the answer?

Move over, case rates and hospitalizations. The next generation of COVID tracking is here.

Umbilical blood can be a valuable treatment for rare diseases. But that doesn’t mean you need to pay thousands of dollars to bank your baby’s.

Can computers crack the code of sepsis?

N95s are good. Some scientists want to do much better.

After you’re infected, the first few months may pose the greatest risks.

No one quite knows why some allergies disappear and others don’t.

Even mild COVID-19 is at least correlated with a startlingly wide spectrum of seemingly every illness. We need a much better taxonomy to address people’s suffering.