Taste Aversion in Humans
Taste aversion is fairly common in humans. When humans eat bad food (e.g., spoiled meat) and get sick, they may find that food aversive until extinction occurs, if ever. Also, as in nature, a food does not have to cause the sickness for it to become aversive. A human who eats sushi for the first time and who happens to come down with an unrelated stomach virus or influenza may still develop a taste aversion to sushi. Even something as obvious as riding a roller coaster (causing nausea) after eating the sushi will influence the development of taste aversion to sushi. Humans might also develop aversions to certain types of alcohol because of vomiting during intoxication.
Taste aversion is a common problem with chemotherapy patients, who become nauseated because of the drug therapy but associate the nausea with consumption of food.
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