From the Journals

Teen Conflict and the Body’s Clock

Parent and peer relationship patterns across adolescence are examined alongside biomarkers of aging.

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A study by researchers at the University of Virginia found that interpersonal aggression during early adolescence significantly predicted accelerated biological aging by the age of 30. Following a cohort of 121 adolescents over 17 years, higher self-reported aggression levels were linked to faster biological aging, measured by composite biomarker algorithms. Factors such as early conflicts with fathers and punitive peer behavior contributed to this relationship, indicating that early relational dynamics play a critical role in long-term health outcomes.

Original Source(s)

Teen Conflict and the Body’s Clock

  • by Kathryn Wighton

  • March 17, 2026

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