Erection and Viagra
One must understand the mechanism of erection to fully appreciate the mechanisms of Viagra. Without understanding the mechanism of erection, we will see more erroneous uses of viagra in the future.
Always remember that erection begins in the brain not down there. Stimulation causes the nerves in the brain to send chemical messages to nerves in the penis to cause the blood vessels to relax so blood can freely flow to the penis. When the blood flows in the penis, the high pressure contains the blood in the corpus cavernosa (penile sponge beneath the shaft) to sustain an erection. Erection occurs when the penis expands and becomes engorged. The penis becomes flaccid again when the penile pressure goes down, the inflow of blood is stopped and the outflow channels open. This restores the penis to its normal size prior to stimulation. Urban legends and the arts have created the so-called ideal shape and size of the erect penis. Unlike the women's breasts and body, there is no standard international classification of penile sizes and shapes. Men can spend the entire beer drinking spree talking about their rockets and johns but there is no standard to base any claims.
Men's impotence problem is often shrouded in mystery because they do not want to talk about it. Impotence can have devastating psychological consequences as sufferers feel inadequate and shameful because of their condition. The penis has always been the symbol of success and potency. Not having an erection (permanently) is a life-altering, mind-shattering, and a relationship-twisting event that most men face in their lives. Luckily, in these modern days we have the World Wide Web where men can buy viagra online.
There are many causes for erectile dysfunction. These can be psychological, congenital, accidental causes, and the iatrogenic. Lifestyle causes like excessive smoking, exposure to harmful radiation, habitual drinking, and the narcotics abuse have been linked with erectile dysfunction. Cigarette companies even changed their warning labels from Cigarette Smoking is Dangerous to Your Health to a more powerful message that goes Cigarette Smoking Causes Impotence.
Treatments for erectile dysfunction also vary depending on the person's preference, spouse's preference, place and societal standards. Treatment can be classified into invasive and non-invasive depending. Invasive procedures include vascular reconstruction surgery, penile prostheses implants, and the intra-urethral tubes. Non-invasive procedures include medicines, massage therapy, sex therapy, counseling, marital counseling, use of nutritional supplements, Oriental medicine, acupuncture and the like. While Viagra is said to be the best, this is ineffective for people suffering from congenital penile anomalies and penile connective tissue disorders. Doctors recommend a more invasive approach like penile prostheses and surgery.
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