I always wonder why I never knew a single person growing up who had one. Riddle solved by Dr House! Kids today are too sterile not running outdoors etc and their immune systems do not develop properly.

I never knew anyone with an allergy to peanuts either, really just started hearing about them on TV sitcoms. I agree that kids might be too sterile today, baby carriers with sneeze-guards, etc. We were exposed to a lot of outdoor dirt and things as kids, and I think in the long run, it paid off.

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"We can judge the heart of a man by his treatment of animals." ~Immanual Kant~

NatMedTalk and Beyond

That is what they say. Also, this was on House MD so I do not know of its accuracy, but 13 said: there are less immune disorders in 3rd world countries than in developed ones.