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outh saliva after an entire peanut butter sandwich was eaten. The results were interesting - researchers were not able to detect the allergen four hours after the sandwich was consumed. The study found methods such as rinsing the mouth, chewing gum, & brushing teeth helped get rid of the allergen more quickly, but these efforts were as not effective as postponing a make out session until four hours after dinner.
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Still, if you want to play it safe, (& if you don’t have much patience!) on the day of your date, try to avoid consuming peanuts altogether - that is, of course, if you’re dating someone with a peanut allergy. Dr. Sicherer said, “Food particles can be tricky. We recommend to avoid eating foods so they don’t have to worry about it.” Stay peanut-free for the night- don’t let dinner get the best of you.