The FoodMarble Aire 2 claims to be able to use breath-testing to track gut issues -- but does it really help track down gut ...

Hundreds of different species of microbes live, laugh, and love in your gut. In the future, one of these might serve a new function: microscopic in-house pharmacist.

Other signs of an unhealthy gut may include vomiting or stomach upset, fatigue, trouble sleeping, food intolerance and other ...