There is now mounting evidence that the increase in early onset of puberty in the USA, Australia, the UK and many other countries coincides with the record level sales of soy formula. Many questions have now been raised. Just what are the long-term risks associated with premature sexual development? There is still debate over whether or not premature development progresses to Precocious Puberty, but there is evidence from several studies showing that it does increase the chance of early menarche. A higher incidence of ovarian cysts has also been found in girls who develop breasts at an early age. The earlier the onset of menarche, the greater the lifetime risk of breast cancer. The early incidence of ovarian cysts is an established risk factor in the later development of ovarian can cer. Could these excessively high levels of estrogenic hormones predispose girls to serious hormonal imbalances including breast cancer later in life?

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