Boys who develop autism are exposed to higher levels of steroid hormones in the womb than those who don't develop the condition, according to a study that further dispels the role of vaccines. Prenatal levels of substances such as testosterone, progesterone and cortisol were greater on average in boys who were later diagnosed with autism, scientists at the University of Cambridge in England and the Statens Serum Institute in Copenhagen said in a new report. The finding, published in the journal Molecular Psychiatry, provides a possible explanation for how autism develops...
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