Science explains why some people seem to like their food crazy hot. Thanks to HelloFresh for sponsoring this video! Get started with eight free meals — that’s $80 off your first month of HelloFresh. Go to and enter adamragusea80. ***SOURCES IN ORDER OF APPEARANCE***
1991 study on capsaicin desensitization (not free):
Dr. Nadia Byrnes, principal sensory scientist at Ocean Spray Cranberries:
2001 study on the dispersal of chili seeds by birds vs mammals (not free):
1998 study on the link between spicy culinary traditions and warm climates (not free):
1995 study on capsaicin desensitization, also exploring how capsaicin exposure reduces perception of other flavors (not free):
Dr. Byrnes' dissertation on the personality traits of chili-lovers:

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