• discordant twins

    From JAB@21:1/5 to All on Thu Mar 7 10:44:09 2024
    One Twin Was Hurt, the Other Was Not. Their Adult Mental Health
    Diverged.

    A large study of "discordant twins," in which only one suffered abuse
    or neglect, adds to evidence linking childhood trauma to adult
    illness.
    ...
    ...
    Take Dennis and Douglas. In high school, they were so alike that
    friends told them apart by the cars they drove, they told researchers
    in a study of twins in Virginia. Most of their childhood experiences
    were shared -- except that Dennis endured an attempted molestation
    when he was 13.

    At 18, Douglas married his high school girlfriend. He raised three
    children and became deeply religious. Dennis cycled through short-term relationships and was twice divorced, plunging into bouts of despair
    after each split. By their 50s, Dennis had a history of major
    depression, and his brother did not.
    ...
    ...
    Their study of 25,252 adult twins in Sweden, published in JAMA
    Psychiatry, found that those who reported one or more trauma in
    childhood --- physical or emotional neglect or abuse, rape, sexual
    abuse, hate crimes or witnessing domestic violence -- were 2.4 times
    as likely to be diagnosed with a psychiatric illness as those who did
    not.

    https://www.nytimes.com/2024/03/06/health/one-twin-was-hurt-the-other-was-not-their-adult-mental-health-diverged.html

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