Watch Again

Should We Be Cutting Back on Hand Sanitizer?

Watch More
back to video

Should We Be Cutting Back on Hand Sanitizer?

Short | 03:11

A team of scientists led by Maria Gloria Dominguez Bello trek into the Peruvian Amazon to study microbes in remote societies where modern antiseptics have had less of an effect.

More About This show

Every one of us teems with trillions of microorganisms: Streptococcus, Flavobacterium, and thousands of other kinds of bacteria and fungi. Some of these microbes are what we call "germs," but many more of them are actually good for us. Discover the health benefits of having aliens inside us, and see how those benefits are being threatened by our modern, sterile lifestyles. Then follow Dr. Dominguez-Bello on her expedition to the Amazon, where DNA samples of a remote group show how drastic the microbial imbalance in the Western world has become.

Return to Video Page