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 Yachtold, visit yawcult.co.com.j

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 mind.

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

I'm Tanya Lewis.

I'm Josh Fishman.

We are Scientific American's senior health editors. Today we're going to look at how measles, a disease that was practically eliminated in the U.S., has resurged in recent months because people basically forgot how bad it was and got complacent about vaccines.

Just a week ago, the U.S. reported its 113 case of measles for 2024.

That's more cases than we had in all of 2023 when we had 58 during the whole year.

And we've still got three quarters of this year to go.

And an increase in measles means an increase in danger. It's actually the most

contagious infectious disease we know on Earth. Approximately one infected person can transmit it to

about 12 to 18 other people. It's a devastating disease. That's Caitlin Jedalina, a public

health scientist.

I am an epidemiologist and data scientist.

So I'm also an advisor and consultant to the CDC, as well as resolved to save lives, which is also a global health nonprofit.

Caitlin also writes your local epidemiologist, a newsletter that has been tracking measles, among other things.

A lot of people have forgotten how dangerous measles is because of the vaccines, right?

...