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.C-O.J-P.

When it comes to a guide for your gut, count on Yacolt.

This is Scientific Americans' 60-second science.

I'm Steve Merski.

Einstein wrote, striving for social justice is the most valuable thing to do in life.

Tom Frieden, director of the Centers for Disease Control and Prevention, from 2009 to earlier this year.

Frieden addressed the graduating class of the Albert Einstein College of Medicine here in New York City, May 23, 2017.

Scientific rigor and social conscience don't always go together. Some individuals and some institutions may lack one, the other, or both.

But together, they are a remarkably powerful combination.

And we need them both, because we face some real threats.

We face threats from nature, whether it's the next Ebola, or Zika, or SARS, or pandemic influenza, or HIV.

It is just a few mutations away.

We face threats, frankly, from killer industries, tobacco and other

substance, unhealthy and addictive substances.

And we face threats from policymakers who may deny quality medical care and prevention

to millions of people in this country and around the world.

We are also faced with the threat that America could retreat from or undermine our role in the world.

Einstein wrote that nationalism is an infantile disease. It is the measles of mankind.

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