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That's an elaborate portrait and narrative you've painted there. Do you have sources for that?
by jhanschoo 4y ago
That's an elaborate portrait and narrative you've painted there. Do you have sources for that?
- Dalewyn 4y agoIt was something I saw many years ago on NHK as one theory of why human sperm quality keeps deteriorating. As far as I'm concerned, it makes sense to me. Remove more and more factors that would encourage healthier sperm and it's only natural that our sperm will deteriorate.
- amag 4y agoAs others have said, the decline is much too rapid in the last couple of decades for it to be explained by evolution. It sounds more like a theory spouted by chemical-/food-/etc companies who worry about getting the blame.