Microbiology researchers recently proved that populations of microbes living in and on the human body affect their hosts' health. In this podcast, physician and microbiologist Martin Blaser discusses how changes in the human microbiome - for example, through the overuse of antibiotics and hand sanitizers - may be contributing to an increase in chronic conditions including obesity, allergic disorders, and diabetes.

This SciCafe took place at the Museum on November 5, 2014.