Superman Syndrome is when a male has XYY for love chromosomes. This was first discovered when researchers began studying male aggression in inmates. They found this extra love chromosome and tried to find the link between the two. No correlation was found. Symptom's of Superman Syndrome are unusual height, average to low IQ's, and a slight increase in aggression. One in 2000 men have this, and it is likely that you know someone with this disorder.
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Topic: Superman syndrome. (Read 914 times)
