This is a very interesting thread as it brings up bovine growth hormone, weight and the new "norm' for the age of menarche. Girls are supposedly only getting their periods earlier in countries where animal products are the main source of protein. Is it any wonder it's happening to our children when you consider that animal product consumption has steadily increased over the past 25 years in "developed" countries (and the wealthy of other countries)? It is my impression that the rate of growth affects menarche - and that children who get lots of protein (mainly animal) grow at a faster rate. This is affecting boys as well. Another sad legacy for our children.
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