I think that the association of older women having children w/down's syndrome has more to do with a long-term Iodine deficiency than anything else. In areas of China with low Iodine combined with water fluoridation women give birth to lots of cretins, and I'll bet they've never had x-rays... Flescha talks about that in an audio. Have you listened to these yet? Well worth your time, can be accessed here: