mardi 1 septembre 2020

Dizziness Upon Standing Can Lead to Falls and Fractures

The problem, a brief but precipitous drop in blood pressure that causes lightheadedness or dizziness when standing up, is called orthostatic hypotension.

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Live Coronavirus News and Updates

From Wuhan to Paris and many places in between, students are back after months out of school. In Hawaii, new arrivals will be strictly monitored. Berlin is requiring masks at large protests.

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Why the Coronavirus Stalks Children of Color

Cases are rising among children everywhere. But those in minority communities are much more likely to become infected and severely ill, new data show.

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A Parent’s Toughest Call: In-Person Schooling or Not?

Parents are wrestling with difficult choices over sending their children to school. Here’s how one science reporter made the decision.

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How to Stop the Next Pandemic

It’s not just Covid-19. Pathogens once confined to nature are making their way into humans on a more regular basis. And it’s our fault.

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These Scientists Are Giving Themselves D.I.Y. Coronavirus Vaccines

Impatient for a coronavirus vaccine, dozens of scientists around the world are giving themselves — and sometimes, friends and family — their own unproven versions.

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lundi 31 août 2020

In an Era of Face Masks, We’re All a Little More Face Blind

Your brain’s powers of facial recognition are going to need some time to get used to the coverings we’re wearing to keep each other healthy.

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