In last week’s lecture we came across an example, from Field (2013), about the drug Viagra, which is a sexual stimulant (used to treat impotence), which is supposed to make men better lovers. Suppose we tested this belief by taking three groups of people and administering one group with a placebo (such as a sugar pill), one group with a low dose of Viagra and one with a high dose. The dependent...

Drawing on recent claims in the study of relationships, attachment, and emotion, the authors hypothesized that romantic love serves a commitment-related function and sexual desire a reproduction-related function. Consistent with these claims, in Study 1, brief experiences of romantic love and sexual desire observed in a 3-min interaction between romantic partners were related to distinct feelin...

Testosterone plays an essential role in the development of the normal male and in the maintenance of many male characteristics, including muscle mass and strength, bone mass, libido, potency, and spermatogenesis. Androgen deficiency occurs with disorders that damage the testes, including traumatic or surgical castration (primary testicular failure) or disorders in which the gonadotropin stimula...

A young female with prolonged intermenstrual bleeding was found to have raised total plasma testosterone of 25.8 nmol/l (NR<2.9 nmol/l) using the Roche Elecsys Testosterone I immunoassay without clinical features of virulisation. Few months ago investigations for lethargy and low libido had shown normal total testosterone of 0.8 nmol/l. Further history revealed that she was using maca extract t...

Although female sexual dysfunction is a problem with low priority, it can have a profound impact on quality of life. In women, the cycle of sexual response begins in the brain, where a memory, an image, a scent, music, or a fantasy acts as a trigger to prompt sexual arousal. Thus, the brain is really the key and starting place for treatment of sexual dysfunction. Decreased libido, altered arous...

30 year old man with decreased libido, azospermia, gynecomastia and infertility due to hyperprolactinoma is presented. Treatment with Bromocryptin caused normalisa­tion of serum prolactin, increase in sperm count and serum testosterone level and he got fertile.