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10 most bizarre allergies

By: Laura Moss on Jan. 17, 2011, 11:05 a.m.
couple kissing

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While a person can't be allergic to the act of kissing, a passionate liplock can be the kiss of death for someone with severe food, cosmetic or medicinal allergies. Close physical contact and the sharing of saliva can cause chemicals or food particles to pass between parties, which can be deadly if one person is allergic to peanuts and the other just ate a peanut butter sandwich. Such was the case of 17-year-old Jamie Stewart who went into anaphylactic shock and had to be hospitalized after kissing a co-worker who'd just eaten peanuts.

About 11 million Americans have food allergies, and as many as 200 of them die as a result of those allergies each year, according to the Food Allergy & Anaphylaxis Network. So what do you do if you love shrimp cocktail but your significant other is allergic to shellfish? Brushing your teeth or chewing gum afterward won't help, and doctors say the only real way to prevent a potential allergic reaction is for both of you to skip the food altogether.