The prevalence of high blood circulation pressure in various regions of the globe has been previously reported but this is the first study to estimate the total worldwide figure generic levitra . Accurate estimates of the worldwide prevalence of the condition are an important source of details for planning of health services. Measurement of the global burden of hypertension will allow public health and policy manufacturers to assign sufficient concern and assets into its management and avoidance. Jaing He and colleagues pooled data from 30 population-based studies, published from January 1, december 31 1980 to, 2002, involving over 700,000 people, from different parts of the global world. The investigators found that the total number of adults with high blood circulation pressure in 2000 was 972 million; 333 million in developed countries and 639 million in developing countries economically.