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Originally posted by Cola.drinker
Yeah because a lot of types of cancer depends on familiar occurence. Thats why I dont trust these statistics much. Circumcision is good for hygiene, but how it could possibly affect the cell division in prostate ? It is also known that Asian people are less predisposed for prostate cancer (genetically they have lesser activity of 5 - alpha - reductase.
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Microorganisms and the irritation on tissues they cause affects cell division. Chronic irritation may occur cancers. I'm not saying this is the reason, but it might be.
And medical studies usually considers other factors like ethnics, socioeconomic and sociocultural level etc. They choose same kind of people and make this studies on them.
And there are some statistic methods which say the study is significant or not.