[The sexuality by Marañón]

It is noticeable that he always had an interest in sexuality Marañón. It must be noted that at the time this included a series of processes that now have become separated from it, as all human reproduction, both from a social standpoint as a scientist or political issues and problems in speaking so very active. But specifically, referring to the current concept of sexuality, much to Marañón investigated because, following the ideas of Freud, then in vogue, I wanted to know the importance that the hormones, newly discovered, had on the brain and the human personality. It is quite possible to believe that there is a brain chemistry that modulate the individual's character, against the prevailing idea among psychiatrists of his time. So his research with adrenaline on the behavior had a huge impact. Interested in the morphological evolution of sex and sexuality from birth to old age, remain valid provided knowledge about the process of sexual maturation and decline, menopause, or rather the climacteric, as rightly he called that period of time. He also made a deep study and systematization of the pathology adel origin and evolution of sex, in which he listed as intersex, both anatomically and functionally and psychic. Because he was always interested in the relationship of human behavior, the development of your body or endocrine constitution and personality. This is reflected in their psychobiographies as the paradigm "Bioassay of Henry IV of Castile and his time".