These findings provide support for the controversial ‘extreme male brain’ theory of autism, a disorder characterized by impairments in social interaction and a tendency to engage in repetitive behaviours. This theory posits that autism represents an extreme version of the normal male brain profile that is characterized by an increased systematizing ability and a reduced empathizing ability in comparison to females. The pathological impairment of empathy in autism may therefore arise from excessive “male” hormone levels during development. Accordingly, reduced 2D:4D ratios have been observed in autistic individuals and in their first-degree relatives.
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Great article, well written and god conclusions of collected data.
How ever I am still curious if creating a “shortage” of sperm and decrease of testosterone by cycles of repeated ejaculations during a short period of time, maybe during the course of hours followed by “rest-days” if that over time would provoke the body to produce more Testosterone and sperm in a response to “progressive overload”.
Since this is the way the body handles a lot other things that challenges it´s system with everything from resistance-training, “repeated skin-abrasion”, bacteria and even some toxins.