Human study · Supplements / medicine · 21 Sept 2026
Higher adolescent BMI tracked faster epigenetic aging in the Young Finns cohort
Source: News-Medical
What the research found
Study (longitudinal, genetically informed). Anni Pitkänen and University of Jyväskylä colleagues report in the International Journal of Obesity (doi 10.1038/s41366-026-02194-0) on the Cardiovascular Risk in Young Finns Study. BMI was measured at ages 9–18, with ~40 years of follow-up and DNA-methylation clocks in adulthood. A polygenic BMI score plus Mendelian randomization suggested higher adolescent BMI may be causally linked to faster biological aging, partly via adult BMI. Observational genetics, not a diet trial. Educational aging notes, not a weight-loss prescription.
Evidence level: Human study. A study in people, but an association isn't proof of cause.
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