Could 'hygiene hypothesis' be defense against food allergies?

Matthew Zalaznick's picture
Tuesday, October 15, 2013

According to some scientists and allergists, there's something to be said for the five-second rule.

If a piece of food is dropped on the floor it isn't technically contaminated if it's picked up within five seconds; also the exposure could boost a child's immune system.

Some physicians concede the five-second rule has been bandied about as symbolic to a defense against burgeoning numbers of children developing food allergies, particularly potentially deadly nut allergies.

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