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Erectile dysfunction is defined as the constant inability to maintain erection sufficient for satisfactory of sexual activity. Most patients suffering erectile dysfunction caused by a combination of organic and psychogenic component. According to data analysis of six clinical researches it’s conducted over the past ten years, organic factors alone or in combination with psychogenic factors experienced an average of 78% of men suffering from erectile dysfunction. Erectile dysfunction is a common chronic violations, particularly in the older men, and only in the United States currently almost 30 million men. Buy cheap viagra online The Massachusetts study of the aging male (MMAS) found that 52% of men aged between 40 and 70 suffered erectile dysfunctionThe relation between age and erectile dysfunction according to the Massachusetts study on ageing men Data from the Massachusetts study on the aging male (MMAS), which was a study on population, cross, randomized pattern study of the health of non-registered men aged between 40 and 70 from 1987 to 1989 in towns around Boston (MA). Samples of blood, the physiological surveys demografic factors psychological indicators and information on the health status, drug therapy, smoking and lifestyle was collected by specially trained persons directly in the homes of study participants. There was used questionnaire on sexual activity designed to identify erectile potency as: lack of impotence, the minimum impotency moderate impotence, complete impotency; Erectile dysfunction is usually associated with chronic diseases, primarily arterial hypertension, diabetes and depression. Buy cheap viagra online The drug might also be of benefit to people who periodically change their working hours, Golombek said.Buy cheap viagra online
"You could consider shift work as an extreme case of chronic jet lag where you would be 'flying' a few time zones every week," he said. Buy cheap viagra online
Researchers said clinical trials still must be done to show that the drug works in humans, but given that Viagra and similar drugs already are being used safely by millions of men and, experimentally, women, many people may be tempted to try it for jet lag or to counter the negative effects of working a late shift.
Viagra, also known as sildenafil, is used to treat erectile dysfunction in men. Buy cheap viagra online
Although the drug works by increasing blood flow to the penis, it also seems to have an effect in the brain, where it can enhance circadian rhythm responses to light activation. Buy cheap viagra online
Essentially, it appears to allow a small region in the brain where the body's master clock resides to more quickly reset itself in response to bright light.
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Researchers not associated with the study said it presented an intriguing, first-ever finding, but they cautioned against using Viagra or similar drugs for purposes other than the approved use.Buy cheap viagra online
"It certainly has potential," said Joseph Besharse, professor and chairman of cell biology, neurobiology and anatomy at the Medical College of Wisconsin. "It has the advantage of already being a prescribed drug."How it works
Viagra and some other erectile dysfunction drugs work by blocking levels of an enzyme produced in cells.
Besharse said that in a small region of the brain known as the suprachiasmatic nuclei, where the body's internal master clock resides, the enzyme was blocked by administering Viagra. That, in turn, boosted levels of another brain substance that appears to play a role in allowing the master clock to reset itself.
Besharse, who was not a part of the study but who does research on the circadian rhythm system, said the physiology likely is similar in hamsters and humans.
For the study, the hamsters were injected with Viagra before an abrupt, six-hour advance in their light-dark cycle. The researchers then watched to see when the hamsters resumed a normal daily activity, running on an exercise wheel.
Compared with hamsters given saline, the ones treated with Viagra started running again 25% to 50% quicker, depending on the dose of the drug.
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Erectile dysfunction diagnosed in 50% (25 to 75%) of people with diabetes, regardless of the type of the disease, but if there is a strict correlation between erectile dysfunction and age, as well as the severity of complications of diabetes mellitus. Men suffering from depression, the likelihood of erectile dysfunction varies from 25% to weak depression to nearly 90% in heavy forms. Other chronic diseases that are associated with the development of erectile dysfunction are: chronic renal failure (40%) liver failure (25-70%), multiple sclerosis (71%), Alzheimer's disease (53%), and chronic obstructive lung diseases (30%). Buy cheap viagra online
By surgically reasons Development erectile dysfunction include intervention in various fields, in one way or another related to the mechanisms exist. In most cases, the impact of "surgical causes" of erectile dysfunction develops as a consequence of the violation of innervation or nerve plexus or crossing fibers. There is a need to conduct a thorough survey of all the men suffering from Erectile dysfunction. Conciliation Commission National Institute of Health USA on a common approach to the problem of impotence indicates that the activities of men suffering Erectile dysfunction should include medical and sexual history, a survey of physical and mental conditions, as well as selected laboratory tests. The need for a special diagnostic tests based on the results of the above surveys, as well as a motivated patient, his expectations and goals of treatment. In general, a chain of treatment is therapy of Erectile dysfunction, characterized by high efficiency, reliability, minimal side effects and ease of use.
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