Here's something you never thought you'd hear: Smelling farts is good for you ... as in, can prevent cancer good for you.

According to researchers at the University of Exeter small doses of hydrogen sulfide − the compound produced during digestion that causes gas − can help preserve mitochondria, which is vital to cell life.

"Although hydrogen sulfide is well known as a pungent, foul-smelling gas in rotten eggs and flatulence, it is naturally produced in the body and could in fact be a health care hero with significant implications for future therapies for a variety of diseases," said Dr. Mark Wood, professor of biosciences.

So next time your wife or girlfriend gives you grief for letting one rip – tell her she should thank you for saving her life. (Newser)