A study published in PNAS reveals that COVID-19 lockdowns may have caused brain aging in female teens to occur up to four times faster than usual.
The research links this accelerated brain development to the increased stress, isolation and anxiety faced by adolescents during the pandemic.
The study focused on brain regions responsible for emotional regulation and fear processing, which matured more rapidly in girls who experienced the lockdowns [1]. These brain changes, typically seen in much older individuals, could have long-term mental health importance, including a heightened risk of anxiety and depression.
While the research highlights the greater vulnerability of female teens, the reasons for this gender-specific impact remain unclear. However, researchers suggest hormonal factors and emotional stressors may have affected the differing responses between males and females.
The findings emphasize the need for increased awareness of mental health challenges in young people, especially in the aftermath of major societal disruptions like the COVID-19 pandemic [2]. Further studies are required to assess the long-term effects of this accelerated brain aging and to develop strategies for addressing potential mental health risks.
[1] PNAS. COVID-19 lockdown effects on adolescent brain structure suggest accelerated maturation that is more pronounced in females than in males
[2] Psychiatry Research. The impact of COVID-19 on youth mental health: A mixed methods survey


