Flatulence is a natural part of digestion, though rarely discussed openly. Adults pass gas about 15 times a day on average—and yes, women's tends to smell stronger than men's.
Most occur at night when muscles relax, allowing gas to escape more easily.
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Methane released in flatulence is 20 times more harmful as a greenhouse gas than carbon dioxide.
Women produce more sulfur during digestion, making their flatulence smellier than men's.
Just 10% of intestinal gas forms in the gut; the rest comes from air we swallow.
Tension and shape of the anal sphincter dictate the fart's pitch and volume.
Gas travels through 1.5 meters of large intestine and 8 meters of small intestine first.
