Scientists proved several years ago that people’s sexual desires are programmed in human genes. Some inherit a high libido from their ancestors, which makes them burn with desire every day. Some need sex only once a week, whereas others do not feel the need in sex at all and can be happy with Platonic love.
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Libido may vary depending on circumstances. A lot of people acknowledge that they want to have sex every day when they go on holidays. In general, however, libido is a consistent phenomenon. If it suddenly changes for the worse, it may be a signal of health alarm, physical health, first and foremost.
Sexual desire, or libido, directly depends on the endocrine profile, or testosterone, to be more precise, the male sex hormone. Testicles produce most of testosterone under the control of the central nervous system. If a man produces a lot of testosterone, his libido will be higher than the average. It is generally believed that such men are well-built and explosive. They also start to lose hair earlier than other males and have excessive face, chest, back and buttocks hairs. This perception is true in most of cases. At least, sexually obsessed males mostly come from southern countries, whereas the situation among men living in northern countries of the world is different.
The level of testosterone in blood gradually decreases with age (one or two percent a year), but the process runs humbly until the age of 60. It is rather difficult to accelerate the process, for a male body is a balanced system in terms of hormones. However, it is possible to do so, if a person puts quite an amount of effort in the endeavour. Testosterone may drop if a man takes too much weight, drinks too much alcohol, gets kicked in the groin on a regular basis, stays near an open source of radiation or takes hormonal medications which reduce the level of testosterone in blood. It is worthy of note that the British authorities intend to use the last method against rapists.
US scientists with Professor Peter Gray at the head determined another factor which affects men’s sexual appetite. They examined about 200 cattle farmers in north Kenya and measured their level of testosterone. The research revealed that that the more legal wives a man had, the lower level of testosterone he had. Bachelors proved to have the highest level of the hormone, of course.
The situation does not differ much with women: testosterone is responsible for women’s sexual desire as well. Women produce their male sex hormone in ovaries.
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