Food “eating” contests are extremely dangerous to the participants, and for that reason alone should be assur. Eating huge amounts of food in a very short period of time is extremely unhealthy, and can cause serious gastroparesis and could require surgery.
Back in 2007, a California radio station held a water drinking contest for a video came console, and a woman died of water intoxication after trying to compete.
In 2010, a boy choked to death during a hotdog eating contest to benefit victims of the Haiti earthquake.