There is no scientific consensus on why humans develop certain sexual orientation. While there have investigated possible genetic causes, hormonal, social and environmental, still no evidence to conclude that it is determined by a single factor.
Sexual identity plays an important role in life starts from the moment of birth and involves biological sex (male or female) as well as knowing, feeling and thinking as such. Its internal perception and sensation, which are highly subjective, they indicate how each one looks and feels, well shape the way we appear to others.
An important component of the constitution is sexual orientation, which refers to the attraction to a person related in affective and erotic way to another. The origin of this process still represents a mystery, yet seems to involve biological, environmental, psychological and social.
Differences
The concept under consideration range from exclusive homosexuality to heterosexuality absolute, and includes various forms of bisexuality.
* Straight. Only erotic relationship with people of the opposite gender, but may show signs of affection, like kisses on the cheek or hugging, individuals of the same sex.
* HETEROFLEXIBLE in 2nd grade. Is preferably incidentally heterosexual and homosexual, so you consider yourself heterosexual, however, holds another secret of his sexuality.
* HETEROFLEXIBLE in 1st grade. You can start to take interest in people of the same gender, although it is more oriented toward the opposite sex.
* Bisexual. You want to both sexes and can fall in love with the same gender, as well as the opponent.
* Homo-flexible. Maintains liaisons with individuals of the same sex, but appreciate the beauty of the opposite gender.
* Homo-flexible in 2nd grade. There is clearly falling in love relationship with the people of the same gender and get to have intimate encounters with individuals of the opposite sex because even ashamed of their orientation.
* Homosexual. You can only sustain relationships with people of their same sex, the best is also gay, but can be virtually any orientation.
Homosexuality is determined by the nature and education. But genes can not act in the middle, but this is the genetic material does not have anything on where to develop.
This concept refers to homosexual men have structured the brain to the mating centers similar to those of women, while the rest of his anatomy is male, have lower testosterone levels and higher estrogen in the bloodstream that heterosexual and lesbian should show the opposite pattern.
There have been tests to try to demonstrate the influence they may have levels of hormones in determining sexual orientation. If this hypothesis were correct, then we would have large proportion of homosexuals with prenatal endocrine disruption, that is, with genital abnormalities, but it is not.
Combination of factors
Although researches on sexual orientation have taken different paths, there is consensus among most scholars of different sciences, which states that in its formation involving multiple causes. At present there is no evidence to substantiate a biological theory, nor is there to support the psychosocial explanation.
Determined that all started when certain hormones affect the brain cells of humans in the womb, have extended their influence them through the year and a half old. This sets the bias toward masculinity or femininity, and that limit the development of external genitalia. So when the brain and genital sex have inconsistencies will become evident over the years. However, this can be supported by erotic experiences and of course the environment.
A way of understanding the nature and combination of experiences that promote an orientation, using the following equation:
? + Genes + environment aspects prenatal hormonal brain = Temperament.
? Parents (education) + peers (friends and lovers) + experience = Environment.
? Temperament + Environment = Orientation.
Finally, we emphasize that although it is not possible to establish a single factor as being responsible for the formation of different sexual orientations, in any way is a preference, since humans can not choose to be heterosexual, homosexual or bisexual.
Read more on Penis enlargement techniques and Orgasm Capsules to Make Orgasm Fast.
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