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Conversely, “with too much testosterone, women often have acne, too much hair on the body, hair loss on the head, high blood pressure, elevated cholesterol, skipped cycles, or problems ...
The X-chromosome carries a larger number of genes in comparison to the Y-chromosome. In humans, X-chromosome inactivation enables males and females to have an equal expression of the genes on the X-chromosome since females have two X-chromosomes while males have a single X and a Y chromosome. X-chromosome inactivation is random in the somatic ...
Testosterone is an essential hormone for both men and women, playing an important role in muscle growth and cognitive function. Low levels of the hormone can lead to changes in mood, cognition and ...
In women, who also have testosterone generally in much lower levels, it also plays a role in libido, muscular health and energy. Typically, testosterone levels in men are around 15 times higher ...
On average, men have around 5-20 times more testosterone than women and naturally and biologically males gain more muscle mass and size than women. [24] However, women can also build muscle mass by increasing the testosterone level naturally. [ 25 ]
In humans, females generally have more round and voluptuous buttocks, caused by estrogen that encourages the body to store fat in the buttocks, hips, and thighs. Testosterone discourages fat storage in these areas. The buttocks in human females thus contain more adipose tissue than in males, especially after puberty.
Testosterone is the primary male sex hormone and androgen in males. [3] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
‘We have high levels of testosterone in our 20s, but after the age of 30, levels naturally decline by approximately 1% per year - unless you have a surgically-induced menopause, during which ...