Sexology is the interdisciplinaryscientific study of human sexuality, including human sexual interests,behavior, and function. A sexologist is a specialist in the field ofsexology, typically a therapist or apsychiatrist , who obtain a knowledgeable in different parts of humansexuality, from normal sexual development to sexual orientation, the dynamicsof sexual relationships and sexual dysfunctions and disorders, like erectile dysfunction, premature ejaculation ,sexual desire problems and anorgasmia.