Older ladies power walking

Rethinking 10,000 steps

If you have a fitness tracker or use your smartwatch to count your steps, you might be tracking a goal of walking 10,000 steps a day. But is that manyRead More

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How much sleep do you need?

Eight hours of sleep a day keeps the doctor away, right? Not exactly. How much sleep you need is specific to your age, health, and lifestyle. Some adults, for instance,Read More

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Paper cutout of people holding hands

What is community immunity?

In 2000, measles had all but stopped spreading in the U.S. That’s because vaccination rates were high enough to keep people from getting the disease. When enough of the communityRead More

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Head shot of O’Donnell

Putting health first

Emmy award-winning journalist Norah O’Donnell has spent decades reporting on major events on national TV networks. The “CBS This Morning” anchor and soon-to-be “CBS Evening News” anchor also wears anotherRead More

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