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Single gene may help explain the plague's persistence throughout human history
By Ben Turner published
Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and spread through the ages.

Sleep: Facts about how and why we sleep
By Mindy Weisberger published
Learn facts about sleep, during which the body rests, recuperates and performs essential repairs.

The rare condition that makes people unable to smile
By Nicoletta Lanese published
Moebius syndrome is a rare condition that affects several cranial nerves, impairing the muscles that control facial expressions and eye movements.

Cold-water rinses left 'cobblestone' growths in woman's sinuses
By Mindy Weisberger published
A woman developed prominent bumps inside her sinuses, similar to a condition seen in "surfer's ear."

The WHO penned the world's first pandemic agreement — but the US isn't signing
By Nicole Hassoun published
Opinion The U.S. withdrew from treaty negotiations on President Trump's first day in office.

How much of your disease risk is genetic? It's complicated.
By Arun Durvasula published
Opinion Environmental factors such as lifestyle and the medications you take influence the effects your genes have on your body — and can clarify how diseases develop.

How long can human sperm survive?
By Emma Bryce published
It's a myth that sperm die upon contact with oxygen. In fact, their resilience might surprise you.

Can weight loss drugs help you drink less alcohol?
By Marianne Guenot published
There is growing evidence that Ozempic and other GLP-1 receptor agonist drugs might help people drink less alcohol, but more research is needed.
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