How does erection work?
There are two different mechanisms governing a penis to erect. The first is the reflex system where your spine and peripheral nerves both react when touched directly in the penile shaft. The second is caused by emotional and erotic stimuli catalysed by the limbic system of the brain.
During the stimulation of the penile shaft, your nervous system secretes nitric oxide which causes the relaxation of smooth muscles of the main erectile tissue of the penis known as corpora cavernosa. A healthy production of testosterone levels and pituitary gland also assist in a healthy erection. Impotence can be caused by hormonal deficiency, disorders of the neural system, lack of blood supply and psychological problems. Restriction of blood flow can arise from coronary artery disease.
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It is known to everybody that whatever action we perform is controlled by the central nervous system. Even in the case of erectile dysfunction the central nervous system plays a major role. Flow of potassium ions to the brain cells is instrumental for a proper arousal required to have sexual intercourse. Problems in arousal can also be cured with the help of the ED drugs like levitra.
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Erectile dysfunction (ED) is the inability of a man to achieve or maintain an erection sufficient for his sexual needs or the needs of his partner. Most men experience this at some point in their lives, usually by age 40, and are not psychologically affected by it.
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Erectile Dysfunction
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