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This work studies the follow-up of vitality using parameters related to the arterial wall. This study is based on the application of several mathematical models and different calculation procedures. Humoral parameters together with measurements of the daily insulin secretion (own methodology based on the C-peptide elimination) were applied for the calculations using the exclusively healthy population. In the case of the non-selected population the percentage of disease prevalences due to vascular affections were applied for calculations.

Aging rates of a sample which should represent the total population living in a district of Madrid were studied using the vectorial calculation as a mathematical model. The number of individuals who finally participated was 867, homogeneously distributed by sex and age decades in the age range of 20-100 years. A total of 15 variables was applied, but they were deduced from health-related data obtained from a special elaborated questionnaire. The resulting aging factor--a dimension to evaluate the aging acceleration--agrees with the corresponding results of biological aging studies previously published. Moreover, we contend that the obtained information from the simply sent questionnaire is accurate and of biological value, and would enable studies on the aging rates of populations.