Mon, Apr 27 2009 NEW YORK (Reuters Health) - Two disorders that seem completely unrelated except that each is the focus of massive drug company ad campaigns may actually have something in common: Older men who suffer from restless legs syndrome at night are almost twice as likely to have erectile dysfunction as those without restless legs, researchers report. looking for viagra without prescription? viagra for sale canada The major difference between tadalafil and the other PDE-5 inhibitors is its prolonged half-life of 17.5-21 h compared with sildenafil (4-5 h) and vardenafil (4.8-6 h). In those who respond, coitus has been recorded from 30 min to 36 h after administration. Common causes of erection problems include: Ward's study, published last year in the Archives of Internal Medicine, involved men who had been referred to cardiologists for nuclear stress testing, a noninvasive way to determine the severity of coronary heart disease. But even among men without heart symptoms, erectile dysfunction is a strong risk factor for future risk of heart attack, he noted. Natural treatment can support erectile function by improving overall health. Erectile dysfunction due to vascular disease may readily respond to nutritional changes and herbal support.

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