self concept is important is important because it is how you see yourself. Makes you happier.
In other words, men are not only smarter after puberty kicks in, but the gap widens the further up the IQ scale you go. The higher someoneâs IQ, the more likely they are to be a man. Although there is relative parity between men and women around the average IQ of 100, at IQs of 130-150 the male to female ratio is already 2.5:1.
Normal Levels of Testosterone. According to Quest Diagnostics, the normal range of total testosterone levels is 250 to 1,100 nanograms per deciliter, or ng/dL, in men age 18 to 69 and 90 to 890 ng/dL in men 70 to 89.