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Healthy aging is defined as the ability to preserve physical, social, mental, and spiritual well-being throughout the aging process. A significant new study now indicates that environmental factors, such as living conditions and lifestyle choices, have a ten times stronger impact and are more influential than genetics in determining healthy aging and longevity.
The study analyzed data from 492,567 participants in the UK Biobank, with a follow-up period at 12.5 years. Researchers assessed the genetic risk for 22 diseases among the participants, monitored prevalent health conditions such as high blood pressure, obesity, and dyslipidemia (abnormal amounts of lipids in the blood), and measured biological aging using protein levels in their blood.
The study concentrated on 25 crucial factors linked to both mortality and biological aging. These elements encompassed a wide range of aspects, including level of education, household income, employment status, sleep duration, physical activity, smoking habits, social support, mental health, body weight at age 10, and exposure to maternal smoking during early life.
The study revealed that the significance of genetics and environmental factors varied across specific health conditions. Genetic risks were more prominent in influencing dementia, prostate, breast, and colorectal cancers. Conversely, environmental factors played a larger role in the development of heart, lung, and liver diseases.
Overall, the findings suggest that focusing on environmental interventions could be the most effective initial approach to lessen early deaths and many conditions associated with aging. However, more research using causal analysis is needed to examine specific exposures in detail.
To view the original scientific study click below:
Integrating the environmental and genetic architectures of aging and mortality
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