The sexual response to a stimulus is conditioned by an interaction between sympathetic and parasympathetic nervous systems. The sympathetic involved in ejaculation and emission of the same. The parasympathetic regulates vessel congestion.
Both systems rely heavily on hormonal secretions and vascular and neural systems, as well as alpha and beta adrenergic blockers. Any alteration in these mechanisms, or lack of synchrony produce alterations or lack of response in the body.
The sexual appetite is essentially based on brain activity. It's like a writer who is going indicating the stages of arousal, but tell us if there are pre requirements (the reasons and the desire)
In a stable the main cause of the lack of desire is the boredom of the relationship, whether sexual or emotional.
Another reason is the sporadic sexual activity. Continuity creates a need sex, and body accustomed to continuous orgasmic sensations can not do without them.
One reason is depression, which often lead to impotence in men and lack of arousal in women, but not only among themselves but for everyone else.
Further reasons are based on lack of sexual fantasies, or trauma, and experiences in the affective domain. A person who has received no affection, understanding and has been suppressed their emotional desires, then surely will be conditioned to have a relationship which should give affection.
Related:
Sexual Function in the Prostate Cancer Patient
In Sexual Function of the Prostate Cancer Patient, John Mulhall and a panel of internationally recognized experts on prostate cancer and sexual function assess in detail the current state of prostate cancer treatment.» Italian study found that: Women drinking red wine can improve ...
For the study of the Italian research team found that the chemical composition of red wine inside the key parts of the body by increasing blood flow to achieve the purpose of improving sexual function.Science can increase sexual function
In daily life, of sexual function maladjusted be not infrequent, this is a kind of illnesstMed diet improves sexual function of obese women
Apart from helping the heart, the high-fruit, low-red-meat diet can also improve sexual function in women with the metabolic syndrome, an Italian study says.Does Spontaneous Genital Tract Trauma Impact Postpartum Sexual function.
Changes in sexual function are common in postpartum women. In this comparative, descriptive study, a prospective cohort of midwifery patients consented to documentation of genital trauma at birth and assessment of sexual functionNutrition for Women - DHEA Improves Sexual Function
After 12 weeks, researchers found that daily intravaginal DHEA at doses of 3.25–13 mg was able to “rapidly and efficiently achieve correction of all the signs and symptoms of vaginal atrophy and improve sexual function