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Negative parenting

Exposure

2 papers2 findings

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

  • 2 independent labs in 2 countries
  • Funder: H2020 European Research Council
  • Humans1

Outcomes

1

Epigenetic age

no changein humans1

1 study

  1. Negative parenting has no effect on epigenetic age in humans.

    “negative parenting was not related to EA nor change in EA”

    Humanssaliva

    Negative parenting, epigenetic age, and psychological problems: prospective associations from adolescence to young adulthood

    Journal of child psychology and psychiatry, and allied disciplinesMay 19, 2023

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Associations

1

Telomere length

downin humans1

1 study

  1. Negative parenting is associated with telomere length in humans (r = -.17, 95% CI [-.28, -.06]).

    “Negative parenting was associated with an increased risk of TL erosion (r = -.17, 95% CI [-.28, -.06]).”

    Reviewn = 3,599

    The association between parenting quality and offspring's biological aging evaluated by telomere length: A systematic review and meta-analysis

    Development and psychopathologyApr 14, 2025

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