We avoid mercury, arsenic, and lead exposure, but there’s one heavy metal that we gulp down in smaller doses: bismuth. And if it were less toxic, bismuth could one day keep us from stinking up elevators and other public places with our farts.
Source: Bismuth Could Stop Farts From Smelling, If Someone Could Make It Safe
But some people express love via a “Dutch oven” – fart in the bed, and pull the covers over the victims head so they can’t escape… 😀