Excerpt from Principles of Healthy Diets a complimentary pamphlet offered by The Weston A. Price Foundation. Weston A. Price Foundation is a nonprofit, tax-exempt nutrition education foundation. Read our mission statement. . . Become a member and receive our lively and informative quarterly journal. Click here for a message from Sally Fallon Morell. Read our Dietary Guidelines here.
Babies fed soy-based formula have 13,000 to 22,000 times more estrogen compounds in their blood than babies fed milk-based formula. Infants exclusively fed soy formula receive the estrogenic equivalent (based on body weight) of at least five birth control pills per day.
Male infants undergo a “testosterone surge” during the first few months of life, when testosterone levels may be as high as those of an adult male. During this period, baby boys are programmed to express male characteristics after puberty, not only in the development of their sexual organs and other masculine physical traits, but also in setting patterns in the brain characteristic of male behavior.
In animals, soy feeding indicates that phytoestrogens in soy are powerful endocrine disruptors. Soy infant feeding reduces testosterone levels in male marmoset monkeys as much as 70% and cannot be ignored as a possible cause of disrupted development patterns in boys, including learning disabilities and attention deficit disorder. male children exposed to DES, a synthetic estrogen, had testes smaller than normal on maturation.
Almost 15 percent of white girls and 50 percent of African-American girls show signs of puberty, such as breast development and pubic hair, before the age of eight. Some girls are showing sexual development before the age of three. Premature development of girls has been linked to the use of soy formula and exposure to environmental estrogen-mimickers such as PCBs and DDE.
Animal studies indicate that consumption of more than minimal amounts of phytoestrogens during pregnancy may have adverse affects on the developing fetus, the timing of puberty later in life, and thinking and behavior patterns, especially in male offspring.
For a full list of references and further information on the dangers of modern soy products visit www.westonaprice.org/soy/soy_alert or www.soyonlineservice.co.nz.
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