Did you know that we were actually two ages? One is based on our date of birth: we then speak of chronological age. The other is calculated from “all the systems that make us up (cardio-respiratory, pulmonary, bone, immune…)”, as doctor Christophe de Jaeger explained in an interview with Atlantico. This is called biological age. It can be determined by many parameters such as genetics, our way of life or even certain diseases. But according to a new study, carried out by researchers from the company Deep Longevity, Stanford University (California, United States) and the University of Hong Kong (China), a psychological factor in particular could cause us to age prematurely.
To reach these conclusions, published in the journal Aging Us, they retrieved data from the “China Health and Retirement Longitudinal Study” (CHARLS) study, conducted among more than 4,800 adults in 2015. The scientists built a “aging clock” based on about fifteen blood biomarkers (eg cholesterol level), seven biometric aspects (such as blood pressure), as well as the biological sex of each participant.
Their aim was to “demonstrate the link between the physical and psychological aspects of aging”. Beyond certain parameters, such as the area of residence or smoking, they discovered that a psychological factor (…)
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