The testicles produce the primary male sex hormone testosterone, as well as sperm. Testicle is an oval shaped, sperm producing organ within your scrotum. Testicle size varies from person to person, often with little or no effect on health.

While there are no physical side effects to masturbating frequently, it may interfere with your work, school, and relationships. If this is happening to you, learning to stop or cut back on masturbation may help you have a healthier relationship…

Oral sex is using your mouth, lips or tongue to stimulate your partner’s genitals or anus. Both men and women can give and receive oral sex. Unprotected oral sex puts you at risk of many types of sexually transmissible infections…

A UTI is a bacterial infection. They happen when bacteria often from the anus, dirty hands, or skin get into the urethra and travel to the bladder or other parts of the urinary tract.

In general, your penis may continue to grow for one or two years after you stop growing in height or four to six years after your testicles enlarge. You will reach your fully developed penis size between the ages of…

Both hypothyroidism and hyperthyroidism have been linked to erectile dysfunction (ED) for men, painful intercourse for women, and low libido for both genders, among other problems. Both types of thyroid disease have been associated with sexual dysfunction.