Biological age tests are becoming increasingly popular, promising to reveal how well your body is aging compared to your actual age. These tests rely on epigenetic clocks, which analyze chemical changes in DNA linked to aging. However, scientists caution that while these tools are valuable for research, they are not reliable indicators of an individual’s health. Results can vary depending on factors such as diet, illness, stress, time of day, and even the type of sample used. Researchers emphasize that epigenetic clocks are best suited for studying aging in large populations, not for making personal health decisions or predicting an individual’s future health.
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