“It seems that the body has been emptied, is the kidney overdrawn?” This well-known advertisement, so how many men wear a “kidney deficiency” hat. In fact, men’s sexual function is not all due to kidney deficiency, behind you also lurks the 10 knives that hurt your sexual function. 1, age As age increases, some men’s sex hormones and erectile function will undergo a series of changes, in addition to a decline in libido, penis sensitivity is reduced to achieve an erection for a longer period of time, sexual pleasure and the number of sexual activities will also be reduced, men in their forties and fifties, of course, will not be as strong as the age of twenty or thirty years old when the sexual function. 2, psychological research shows that serious mental depression, irritability, strong desire to rule, their sexual function will decline significantly. There are a lot of male friends who think that sexual function is not good, their systemic examination results did not find organic lesions, at this time, it should be in the psychological aspects of the reasons. 3, disease Some common diseases, will directly or indirectly affect men’s sexual function. Such as: diabetes, cardiovascular disease, hypertension, hyperlipidemia, obesity, hepatic and renal insufficiency, penile sclerosis, endocrine diseases, neurological disorders and so on. Sexual function is the weathervane of male health, many people in the systemic metabolic disorder disease has not yet manifested itself before the first appearance of sexual dysfunction. 4, blood vessels The normal or not of sexual function and penile blood vessels are also closely related. Atherosclerosis, pelvic fracture can cause penile artery damage, abnormal venous channels, venous occlusion disorder can cause penile vein damage, these can lead to decreased erectile function. 5, neurological Some men with herniated discs will also experience a decrease in sexual function, which is due to problems with peripheral nerves. In addition, pelvic fracture, rectal, bladder, prostate surgery, once the pelvic nerve is damaged, it will affect the man’s erectile function. 6, hormonal aspects of men’s sexual function and some hormones in the body is also related, research shows that the hormones affecting sexual function are mainly testosterone, prolactin, estradiol, cortisol and so on. 7, drugs Drugs for sexual function is not to be ignored, especially antipsychotics, antidepressants, antihypertensive drugs, endocrine drugs, cholinergic antagonists (atropine, probenecid, etc.), drugs (marijuana, heroin, etc.), paracetamol, and anti-androgenic drugs. 8, their own conditions Men’s physical condition can significantly affect the sexual function, when a certain stage of the feeling of sexual function is not very good, may be due to colds, not regular exercise, poor immunity and other poor conditions caused by their own. At this time, timely adjustment of their own conditions, can be a better recovery of sexual function. 9, husband and wife relationship The relationship between husband and wife is not coordinated is also a factor that affects the male sexual function. The man may not get due stimulation due to the woman’s non-cooperation or aversion, or may not be able to meet the woman’s unreasonably high expectations of sexual behavior, or the relationship between husband and wife is not good, will affect the male libido and erectile function. Many erectile dysfunction patients have a transition behind the strong woman! 10, work and life pressure in the fast-paced social environment, will inevitably encounter pressure from the work and life in many ways, smoking, drinking, staying up late and other bad habits are aggravated by the impact on sexual function. Therefore, timely regulation of pressure, away from bad habits, the necessary physical exercise is essential to protect men’s sexual function. Men want to maintain good sexual function, must pay attention to your back “10 sharp knife”, timely avoidance, from harm.