The multifactorial nature of human homosexual behavior: A brief review by Barona, Daniel, Aponte, Héctor

“…Homosexual behavior has been analyzed as an evolutionary paradox in the biological context. In this review, we will try to compile the main genetic, epigenetic, hormonal, neurological and immune explanations of homosexuality, as well as the ultimate evolutionary causes of this complex behavior in the human being, incorporating information from studies in other animal species. …”
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