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General Parenting Discussion
Reply to "s/o Where did all the food allergies come from?"
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[quote=Anonymous][quote=Anonymous]Probably the result of more and more people being able to survive in rich and developing countries. Before people with these genetic difference would die off before they could bread more weak people. [/quote] The incidence of food allergies has increased during a period of time where genetic differences are not likely to be the culprit. What I mean is that food allergies have increased in one or two generations. That is not enough time for a genetic difference to become dominant. We do not understand the immune system very well. There is a lot going on outside of our genes.[/quote]
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