In just the last few years, scientists have shown how the microscopic life within our bodies has an astonishing impact on our lives. In Follow Your Gut, pioneering scientist Rob Knight pairs with award-winning science journalist Brendan Buhler to explain--with good humor and easy-to-grasp examples--why these new findings matter to everyone. They lead a detailed tour of the previously unseen world inside our bodies, calling out the diseases and conditions believed to be most directly impacted by them.