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Medically proven moves that’ll burn fat—and help you drop some pounds.
We’ve all dealt and smelled them, but what is the science behind them? Chemical Makeup of the Average Fart ● 59% nitrogen, 21% hydrogen, 9% carbon dioxide, 7% methane and 4% oxygen—all essentially odorless. (Less than 1% is what makes farts stink.) The Stench Comes… ● …from minuscule amounts of ammonia, hydrogen sulfide and excrement, which can be smelled at 1 part per 100 million parts air. The Gas… ● …that gives farts that special stench is hydrogen sulfide.