Health
The latest news in medicine and wellness: From findings on heart disease, to facts about fitness, to breakthroughs on COVID-19.
Latest in Health
![How to stay safe while working out in the heat](https://www.popsci.com/wp-content/uploads/2021/08/06/wellness_heatworkout.jpg?w=675)
Climate Change
How to stay safe while working out in the heat
![Glowing sperm on black background](https://www.popsci.com/wp-content/uploads/2021/08/03/sperm-green-light.jpg?w=612)
Climate Change
Pollution could be harming sperm around the world
![How does menstruation affect my muscle performance?](https://www.popsci.com/wp-content/uploads/2019/01/30/KDRIAN5DTFNL2DC5ILF3WUEXVU.jpg?w=678)
Fitness & Exercise
How does menstruation affect my muscle performance?
![The Book of Woe](https://www.popsci.com/wp-content/uploads/2019/03/18/Q4HGK7QBDEVWGTICOJGREKOXFY.jpg?w=525)
Health
The Trouble With The DSM
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COVID-19
How long will we keep wearing masks?
![Kid in pink bathing suit doing a flip in a lake](https://www.popsci.com/wp-content/uploads/2021/07/28/kid-swim-bathing-suit-flip.jpg?w=636)
Fitness & Exercise
Swimming is the ultimate brain exercise. Here’s why.
![How many hours of sleep do you actually need?](https://www.popsci.com/wp-content/uploads/2019/03/18/L4AHCMFXX7W6WSSWFQQ25ULGOQ.jpg?w=675)
Ask Us Anything
How many hours of sleep do you actually need?
![warming art](https://www.popsci.com/wp-content/uploads/2019/03/18/RXRS2VDNXY6FWSQ7HRFSUBK6UY.jpg?w=583)
Animals
Your Nose Is Bad At Warming Air
![What extreme heat means for the future of the Summer Olympics](https://www.popsci.com/wp-content/uploads/2021/07/21/wellness_olympicheat.jpg?w=675)
Fitness & Exercise
What extreme heat means for the future of the Summer Olympics
![You can injure yourself stretching—but it’s not easy](https://www.popsci.com/wp-content/uploads/2019/05/31/ORO3WLQ4WJCCHGHIZFGMLAULEI.jpg?w=674)
Ask Us Anything