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Signature in the table below: vertical left: a Proportion of patients display improvement in erectile function.

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1-If I suddenly became not enough erection, and cialis Professional still not a lot, scratching to the urologist.
2-If when you smoke this quit Smoking it is important.
3 - SD - is also a vascular-so ED causes in principle 2 of the factor vessels and psychogenic f-ry.

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Still a little add, about viagra from the Internet. A bit technical and confusing, but to reprint not see the point, but the info is good.
HOW IT WORKS

The mechanism of action of Viagra has shed light on the differences between healthy men and those who suffer from erectile disorders. When sexually stimulated the penis of the patient of erectile dysfunction do not produce enough nitric oxide NO, so smooth muscles of blood vessels do not relax, and thus does not occur the necessary blood flow in the corpora cavernosa and the erection occurs. And Viagra works even with a lack of NO, since its purpose is to block the enzyme PDE-5 and promote the work of the enzyme cGMP – "Creator" Cialis cheap erection! In healthy men the level is NO high enough, and they seemed not to notice "ancillary" biochemical action of Viagra.

Still it was about the biochemical mechanism of action of sildenafil citrate. But how to "work" Viagra, so to speak, in a domestic environment? The effect of the drug begins after an average of 30-40 minutes and lasts at least 4 hours after ingestion.
To make Viagra easy: to swallow one blue pill in the dose of 50 mg approximately cheap cialis 1 hour before anticipated sexual activity. It should be noted (perhaps to the delight of many men!), that moderate doses of alcohol do not affect the efficacy and safety of Viagra.
Many doctors and patients, of course, concerned the question whether the harm prolonged use of Viagra? Can it happen that this will lead to a certain exhaustion of the mechanisms responsible for an erection? Viagra constantly runs through a huge number of clinical trials, and over 10 years of existence blue pills it has been proven that long-term use of sildenafil citrate leads to a steady improvement in the patients. Thus, accumulated to date knowledge about viagra allow you to assign patients to this drug as for occasional, and for long the treatment of erectile dysfunction.

Many men take Viagra for several years and always satisfied with the action sale cialis (we'll discuss this a little further). The average therapeutic dose of Viagra, as has been said before – 50 mg. however, any man taking the "smart pill" for quite a long time, he is able to understand which dosage is optimal for him. At the same time, we emphasize studies confirm that when taking 100 mg there is a noticeable improvement of erection most of the subjects.

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"In my own practice, Viagra has become a tool of real help. It's not cheating people with all sorts of supplements. Because if you respected doctor, and respect themselves and their profession, how people can "RUB points" and assign them to who knows what? It's one thing when there was no alternative: bezrybe cancer and fish. Although, viagra by the way, no one did real, serious studies of the safety or harm of dietary supplements. For example, in all of these supplements are – although it is not widely read on the package! – clear contraindication: hypertension. Or it just said: "apply with caution in patients with hypertension". And considering that erectile dysfunction with hypertension often causes illness satellites, the conclusion is that almost none of those needing treatment are not apply these supplements. And viagra conducted and published the most detailed studies of its safety.