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  "path": "/news/2026-03-teen-aggression-older-biological-age.html",
  "publishedAt": "2026-03-05T09:00:04.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Teens who frequently lash out at others may face lasting physical health consequences later in life, according to research published in the journal Health Psychology. The study found that aggressive behavior in early adolescence is linked to faster biological aging and higher body mass index (BMI) by age 30.",
  "title": "Teen aggression at 13 predicts older biological age at 30, study finds"
}