为什么吸烟会导致阳痿 何瑛 成都曙光医院

为什么吸烟会导致阳痿 何瑛 成都曙光医院
因为烟草中含有主要的成分是尼古丁，尼古丁对神经系统有着较强的刺激作用，所以嗜烟能成瘾，长期大量吸烟能使神经系统的兴奋升高，过度的性兴奋就会向它的反面转化，而出现抑制，久而久之就会直接或间接地影响神经调节中枢和勃起中枢使其兴奋性降低，而发生阳痿，烟草中的尼古丁、一氧化碳和焦油中的芦丁蛋白等有害物质，能使阴茎动脉发生粥样硬化，血液黏滞性增加，微循环障碍最，终造成血管腔的缩小与狭窄门静脉闭合机制失常，当这些血液动力流过程中不能协调时，供应阴茎血液明显减少，最终吸烟使得阴茎血液循环受到障碍而导致阳痿。

Why smoking causes impotence
Because nicotine is the main ingredient in tobacco, Nicotine has a strong stimulating effect on the nervous system, So smoking can be addictive, Long term smoking can increase the excitement of the nervous system, Excessive sexual excitement will turn to its opposite, There is inhibition, Over time, it will directly or indirectly affect the nerve regulatory center and erectile center to reduce their excitability, And impotence, Nicotine in tobacco, carbon monoxide and rutin protein in tar, It can make the penile artery atherosclerotic, Blood viscosity increased, Microcirculation disturbance is the most serious, Finally, the mechanism of the narrowing of the vascular lumen and the closing of the stenotic portal vein is abnormal, When these blood flow processes cannot be coordinated, Penile blood supply decreased significantly, Finally, smoking causes penile blood circulation to be blocked, which leads to impotence.