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**Fegasderty** · 06-08-2012, 03:25 PM

Lactose intolerance is NOT caused by consumption of milk by adults. If one continues to eat or drink a food item they should get used to that food and there should not be any problem is handling it. The enzyme (lactase) that digests lactose depletes as we age and that is the reason we develop lactose intolerance. Northern Europeans and especially Scandinavians use lot of dairy products and they don't have lactose intolerance problem. So it appears lactose intolerance is part genetic and part environmental (ethnicity). The gene to make lactase may have been silenced or mutated as a function of age in specific populations.

Our body does not make vitamin C because we were eating fruits (source of vitamin C) regularly and hence there is no need to make it ourselves. However the gene(s) to make vitamin C is in us but it/they are silenced because of external consumption.

Yes you are right..Lactose Intolerance is seen mainly in oriental races where the primary diet does not really involve dairy products.

It's just logic I feel..what we do not eat as often why should body have enzymes to digest it.
Body will produce enzymes more for what we take in regularly.

Another example is people of Indian genes have a high alcohol tolerance.
Years of gulping down alcohol has made the Indian Liver real super capable of handling alcohol in the blood stream!!

Somehow the Indian body can withstand anything!

06-08-2012, 03:25 PM	#16
Fegasderty Join Date Mar 2008 Posts 5,023 Senior Member	Lactose intolerance is NOT caused by consumption of milk by adults. If one continues to eat or drink a food item they should get used to that food and there should not be any problem is handling it. The enzyme (lactase) that digests lactose depletes as we age and that is the reason we develop lactose intolerance. Northern Europeans and especially Scandinavians use lot of dairy products and they don't have lactose intolerance problem. So it appears lactose intolerance is part genetic and part environmental (ethnicity). The gene to make lactase may have been silenced or mutated as a function of age in specific populations. Our body does not make vitamin C because we were eating fruits (source of vitamin C) regularly and hence there is no need to make it ourselves. However the gene(s) to make vitamin C is in us but it/they are silenced because of external consumption. Yes you are right..Lactose Intolerance is seen mainly in oriental races where the primary diet does not really involve dairy products. It's just logic I feel..what we do not eat as often why should body have enzymes to digest it. Body will produce enzymes more for what we take in regularly. Another example is people of Indian genes have a high alcohol tolerance. Years of gulping down alcohol has made the Indian Liver real super capable of handling alcohol in the blood stream!! Somehow the Indian body can withstand anything!
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