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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  • 1

    Interpersonal aggression in adolescence linked to biological aging.

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    Study followed 121 adolescents over 17 years.

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    Biological aging measured using Klemera–Doubal and PhenoAge algorithms.

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    Father conflicts predicted faster aging, while mother conflicts did not.

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    Aggressive behavior influences adult body mass index.

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    Long-term health risks associated with relationship difficulties.

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    Study emphasizes importance of early relational dynamics.

Original Source(s)

Teen Conflict and the Body’s Clock

  • by Kathryn Wighton

  • March 17, 2026

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