There is always a reason.
Someone would eat vomit if they suffered from a sexual fetish linked with an eating disorder. The burning and usually nauseating sensations that surround vomit could be seen as masochistic, for it does suggest a dehumanising/self-punishing aspect.
Someone would vomit from a Gastric tube feeding because getting something shoved down your body is not a good feeling in any case.
Well they could be allergic to prawns (I am).
Sure, if you froze it in a mould. But, would anyone even want to know why you would want to?
A factory worker.
You would not do that. Vomit comes from higher in the digestive system
they would because its not their own blood and they are not yet used to the new blood
can Asthma make you vomit blood
can asthma make you vomit blood
If you don't like these working conditions.. quit. The factory owner would be able to get someone with an hour to take his job.
actually,a rabbit can't even vomit at any time. if the rabbit vomit did, there would be something very wrong with it.