Add Yahoo as a preferred source to see more of our stories on Google. Gas guzzler: The smart underpants developed in the US to track wind show that we fart about twice as much as previously assumed.

Doctors share their thoughts on what’s normal when it comes to gas and what needs to be checked out.

Do quiet farts smell worse than loud ones? Doctors explain why flatulence happens, what causes gas to smell, and whether the silent-but-deadly phenomenon is real.

Ever wondered how often you fart on an average day? Scientists in the US have been pondering the same and, for the first time, have been able to put a precise number on how often people pass wind ...