Understanding the human body is a team effort. That's where the Yachtel group comes in.

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

To learn more about Yachtolt, visit yawcult.co.

J-P. That's Y-A-K-U-L-T dot-C-O-J-P. When it comes to a guide for your gut, count on Yacolt.

Hi, this is Your Health Quickly, a Scientific American podcast series.

We bring you the latest vital health news, discoveries that affect your body and your Hi, this is Your Health Quickly, a Scientific American podcast series.

We bring you the latest vital health news, discoveries that affect your body and your mind.

And we break down the medical research to help you stay healthy.

I'm Tanya Lewis.

I'm Josh Fishman.

We're Scientific American's senior health editors.

On today's show, we're doing a refresher course on COVID.

Fall and winter usually see a peak in virus cases, so we thought it would be a good time to talk about where we're at.

That means knowing where COVID is spreading, how to stay safe, and when you should test

yourself.

You know, I really haven't been worrying much about COVID for months now.

It was summer.

It was warm and nice outside.

And the public emergency ended last spring.

Cases seemed low.

So I just, I wasn't thinking about the disease all that much.

...