For example: parents with crying babies, blind people with guide dogs, or even people with unpleasant body odor.

FORBES: Magazine Article

Conversely, a person can become more accepted by eating the right foods not only because their body odor will no longer smell unfamiliar and "unpleasant, " but because acceptance of food implies acceptance of the larger system of cultural values at hand.

WSJ: NattO, Maggot Cheese and Other Food That May Repel