Could the experience of losing a loved one accelerate biological aging? This intriguing and unsettling question is at the heart of a study conducted by Columbia University. A meticulous analysis of DNA markers reveals surprising results, especially when these losses occur early in life.
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The study utilized long-term data, demonstrating that losing family members increases aging markers in DNA, particularly if these losses happen during childhood or young adulthood. Researchers relied on data from the National Longitudinal Study of Adolescent to Adult Health, which began in 1994.
The study's results are particularly striking for participants who had lost a parent, partner, sibling, or child. These individuals showed signs of advanced biological aging compared to those who had not experienced such losses. The researchers used "epigenetic clocks" to measure this aging, sophisticated tools developed by their colleagues at Duke University.
Family losses have varied consequences depending on age. Losing a loved one during childhood or adolescence proves particularly harmful, increasing the risk of chronic diseases later in life.
This study underscores the deep and lasting impact of family loss on biological health. The researchers call for increased efforts to provide support resources and coping strategies to grieving individuals, particularly during critical developmental periods such as childhood and early adulthood.