H ypertension is one of the most common chronic diseases in the developed countries. 1,2 Benign prostatic hyperplasia (BPH) is one of the most frequent and bothersome health problems in males >50 years of age; more than 50% of males >60 suffer from prostatism. 3 In the United States, treatment of BPH represents approximately 25% of the urologists' total workload. 4 According to Beurton, 5 microscopic evidence of BPH is present in 100% of males at 80 years of age. The percentage of BPH at autopsy is increasing each year after 40 years of age, 6 amounting to >70% after 60 years of age in most studies. [7][8][9] This phenomenon also extends to clinical symptoms, 10 although at a lower rate (20% at 60 years; 43% at >80 years). Rates of BPH and symptoms may vary according to regions and culture. In an epidemiologic study carried out in Spain, 11 the prevalence of symptomatic BPH, according to In-