Abstinence from masturbation and other forms of sexual activity may temporarily raise testosterone levels, but masturbation does not affect testosterone levels in the long term. Learn more here.
Some people find painful sensations pleasurable or arousing during sex or erotic play. How is this possible? Read this Spotlight feature to find out.
There are many sexually transmitted diseases (STDs) that people can get as a result of having oral sex, including gonorrhea, syphilis, and chlamydia. Learn about how people can transmit STDs orally, the symptoms they cause, and the available treatments here.
Summary description Female sex hormones, or sex steroids, play crucial roles in sexual development, sexual desire, and reproduction. They also influence body weight and hair, bone, and muscle growth. Learn more about the types and roles of these hormones here.
Blue balls is the informal term for epididymal hypertension, which causes uncomfortable or aching testicles if a person is aroused but does not ejaculate. Learn more about the myths and facts here.
It is common for a person's libido to fluctuate throughout their life and according to their mood. However, a significant change in libido may be due to an underlying cause. Learn about low libido causes and how to treat them here.
Herpes is a condition caused by the herpes simplex virus. People may notice herpes symptoms across the body, including in the mouth, on the genitals, or in the eyes. This article discusses what herpes looks like, describes the symptoms, and provides pictures to help identify herpes.
Orgasm headaches are sudden, intense headaches that occur just before or during an orgasm. They are generally harmless and a person can often treat them at home. However, people who experience headaches during sex should see a doctor, as they can be a symptom of a serious condition. Learn more here.
Human papillomavirus (HPV) is a very common sexually transmitted infection. Some types of HPV can cause genital warts, which can develop on the vulva, vagina, and cervix. Learn more about the causes, treatment, and prevention of genital warts in women here.
Scabies is an infestation of the skin by tiny parasitic mites. On the penis, scabies can cause crusty, blister-like sores and intense itching that may get worse at night. Scabies mites spread through close, prolonged contact between people, such as during sex. Learn more about scabies on the penis here.