True or False?The smell of peanut butter will cause an allergic reaction in people with peanut allergies.
The correct answer is False
The smell of peanut butter is caused by pyrizines, which are not proteins. It is the proteins that trigger allergic reactions. So the smell of peanut butter sandwich from the next table should not cause an allergic reaction.
BUT people can have reactions when they inhale food proteins that they are allergic to. This can be seen when food is actively cooked, when powdered or crushed forms become aerosolized, or in other situations when proteins are released into the air.