Teen Aggression Linked to Faster Biological Aging

Aggressive behavior during early adolescence has been found to predict accelerated biological aging by the age of 30. This finding emerged from a study that tracked 121 middle school students into adulthood.

The research assessed participants' aggressive behaviors through parental, peer, and self-reports. By age 30, biological aging was evaluated based on factors such as blood pressure, inflammation, and immune function. Both methods indicated that higher adolescent aggression correlated with advanced biological age.

Accelerated aging is associated with increased risks for various health issues, including coronary artery disease, diabetes, high blood pressure, and potentially early death. The study noted that men and individuals from lower-income families showed signs of faster biological aging, possibly linked to relationship difficulties.

Specifically, boys experienced more conflict with fathers, while teens from lower-income families were more aggressive toward friends. However, ongoing relationship problems, rather than early aggression in isolation, ultimately predicted accelerated aging.

These findings underscore the long-term physical health implications of adolescent conflict and aggression. Early relationship difficulties may serve as indicators of future health risks, emphasizing the importance of fostering healthy teen relationships.