Why are certain heavy metals okay to eat?

Credit: American Chemical Society.

Why are some heavy metals deadly while others keep us alive?

Heavy metals have a reputation for being dangerous, but some are essential nutrients that you can’t live without.

In this episode of Reactions, we explore why.

Reactions is a video series produced by the American Chemical Society and PBS Digital Studios.

The American Chemical Society (ACS) is a nonprofit organization chartered by the U.S. Congress.

ACS’ mission is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and all its people.

The Society is a global leader in promoting excellence in science education and providing access to chemistry-related information and research through its multiple research solutions, peer-reviewed journals, scientific conferences, eBooks and weekly news periodical Chemical & Engineering News.

ACS’ main offices are in Washington, D.C., and Columbus, Ohio.