You do realise that any biological problems due to inbreeding don't appear for a few generations at least, yes? And it applies only in cases where the union produces children.
Hmm, I might get the hang of this forum yet! I apologize to all those past, present, and future that I appear to have been ignoring their responses.:sorry1:
I would say that inherited problems could should up quite quickly! Let's say heart disease or diabetes is a family trait. I would think there is much greater possibility for those traits to show up in an incestuous relationship than with parents who have the same problems but come from non-related ancestors. (I don't remember my genetics that well, but I assume that is the case.)
Now, to get behavior where children is not involved. I really can't hold to the famous atheist, logician, philosopher idea, where there is no hurt there is no harm philosophy.
To quote what a humanist said,
excerpt taken from #7 of http://www.bbc.co.uk/blogs/ni/2008/04/incest_a_taboo_too Incest: a taboo too far?(I'm much more in sympathy with #6.)John Stuart Mill said, “whatever consenting adults do in the privacy of their own home is nobody’s business but their own”. Many of us may dislike the idea of incest, or even be repulsed by it, but there is a tendency to confuse personal distaste for an activity with moral condemnation. The personal distaste element is partly connected to the fact that the majority of incest cases in the world are child abuse cases. But child abuse is definitely wrong; incest is not necessarily wrong if it involves adult consent, and so on.
I have been basically stating my positions from a philosophical point of view, and from that point of view incest, polygamy, and tolerance of some other behind closed doors activities of course doesn't agree with my theological point of view, remember, Why is "You shall not covet" in the Ten Commandments? which is really a "behind closed door" activity! But of course that is my theological position. However, some behind-closed-door activity has come out of the closet and has not been beneficial to society, even speaking from a philosophical position.
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