Hypersexuality (English: Hypersexuality) is a medical condition diagnosed by mental health researchers and specialists, which explains the sudden increase or excessive repetitive sexual desire or sexual activity. The testicles secrete hormones called androgens and testosterone. If the secretion of this hormone is high at a young age, sexual symptoms appear at an early age. This is a stronger demand than usual for sex. In women it is known as nymphomania and in men it is known as cetiriasis. In this condition ejaculation is obtained by masturbating , which is called euphoria . It also occurs under the influence of certain stimulants , such as amphetamines. Some mental illnesses are also caused by: Bipolar Disorder , Schizoaffective Disorder , Borderline Personality Disorder , Historic Personality Disorder. There are also some cases whose cause is unknown. Some psychologists believe that this may be due to a hormonal imbalance. Source: Wikipedia