性-人類性的基本層面
Sex
- Basic Aspects of Human Sexuality |
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性激素的功能 |
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睾丸激素：太少或太多？ 在成人，激素不平衡也能夠導致身體的改變。例如：在女性會長鬍子，在男性會引起乳房發育。對於兩性，缺乏睾丸激素能導致-但不是必定導致性欲缺乏。睾丸激素水準非常高則導致富有攻擊性和增加性活動；但是，似乎心理社會因素在這個方面起著更重要的作用。
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The Role of Hormones |
Testosterone: Too little or too much?
Hormonal imbalances can lead to physical changes in adults, too. Examples: Growth of a beard in women, development of breasts in men. In either sex, a lack of testosterone can - but does not have to - lead to a lack of sexual desire. A very high level of testosterone may contribute to aggressiveness and increased sexual activity. However, it seems that psychosocial factors play a more important role in this regard.
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男性從兒童期至成年後期雄激素平均含量曲線圖（0-60歲）
毫克/升血漿睾丸酮含量
Average curve of testosterone levels in males from childhood to late adulthood (years 0...60)
mg/l of androsterone in plasma
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