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On 17/7/2018
Scientists from Yale University in the United States have created a blood test that can determine the life expectancy of a person based of the physiological age of the body. The idea of the study is to quantify the age of the people by the functioning of the body, different from the most common form, which is to calculate for the years that have elapsed since birth.
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"Two individuals may be 50 years old in chronological terms, but one of them may have the same risk of dying from someone else. a 55-year-old, while the other has the same risk of dying from a 45-year-old, "said researchers Zuyun Liu, Pei-Lun Kuo, Steve Horvath, Eileen Crimmins, Luigi Ferrucci, Morgan Levine, in the study published in the scientific journal Biorxiv
.Help of nine biomarkers, able to indicate the normal or pathological functioning of the body, and can include the performance of organs, genes and proteins in the human body.
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To create the test, the hundred observed 42 aspects of the test. a blood sample, as well as the number of white blood cells and the level of glucose and albumin.The method was carried out by 11,432 people followed by twelve and a half years, during which 871 died.
During the badysis, blood tests were performed to check whether participants were developing an illness or dying. With this, the study calculated the life expectancy and mortality rate for each physiological age group.
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Co-author Morgan Levine, a professor of pathology at the university. Yale University told BBC News Brazil that the results were more accurate than other tests developed so far that take chronological age or only a biological marker into account.
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