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In some countries they can and it can also depend on whether you are first, second or third cousins etc. It's based on that they believe that the children of 2 cousins will be damaged due to the close biological relationship. Latest research show however that the risk for 2 cousins to have a damaged child is as small as 2 non-related people would. There are countries where this number is very high but they have then married cousins for centuries.

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11y ago

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