Evolution and Human Sexuality

Evolution is defined as the change in frequency of certain traits across generations. The accumulation of new traits may lead to new characteristics or even new species over time. This means that, with time, enough changes can lead to the formation of a new species. Evolution is a continuous, extremely gradual process that has created…

Male Circumcision

Male circumcision refers to the removal of foreskin which surrounds a male’s glans penis. This medical procedure—often considered to be the oldest documented surgical procedure1—is mostly performed on infants, but it is not uncommon for circumcision to be performed on adult males as well. While it most likely began as a religious practice1, circumcision has become…

Body Dysmorphic Disorder (BDD)

Body dysmorphic disorder (BDD) is an obsessive preoccupation of a perceived or imagined defect or flaw in personal appearance that others generally do not see.1 The individual may focus on any part of the body and the preoccupation may involve multiple body parts at the same time. BDD is not confined to specific body parts; however,…

Male Masturbation

Masturbation is the self-stimulation of the genitals with a hand, sex toy, vibrator, or other object for sexual pleasure. Masturbation can be done alone (solo masturbation) or at the same time as a partner (mutual masturbation). Masturbation is a common and healthy activity that most individuals with penises do regularly throughout their lifetimes. A 2017…