Male patients at a fertility clinic on the edge of London
were more likely to have fewer, less active sperm if they drank water from the Thames Water company than if they drank
water from outside London.
Exposure to excess estrogenic compounds can cause
developmental and reproductive problems in both sexes, but especially males.
Declines in sperm counts might be occurring because of a
complex interference with hormones involving the hypothalamus in the brain and the pituitary
gland.