by Rhoda Wilson, Expose News:
According to a recent study, covid lockdowns accelerated brain ageing in adolescent girls, showing 4.2 years of brain age acceleration compared to 1.4 years in males.
Children’s memories of lockdown became increasingly negative over time, with female adolescents reporting the lowest happiness levels and highest depressive symptoms.
Physical fitness declined significantly post-lockdown, with young women showing steeper drops in aerobic fitness (4.28 points) compared to men (2.25 points).
Strict lockdowns led to vitamin D deficiency in 77.8% of pregnant women, increasing risks of pregnancy complications and adverse birth outcomes.
The pandemic’s disruption of normal development patterns has prompted calls for targeted interventions, especially for young women who showed greater vulnerability across measures.
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Covid Lockdowns Fast-Track Brain Ageing in Youth
Covid-19 lockdowns accelerated brain ageing in adolescents, according to a recent study.1 The pandemic drastically changed daily routines, leaving many young people struggling with their mental and physical health. You might have noticed how isolation affected teens, especially girls, more than boys. Increased feelings of anxiety and depression became common as social interactions dwindled.2
As the lockdowns wore on, physical fitness levels among young adults began to decline sharply. Reduced opportunities for exercise and more time spent sedentary led to significant drops in both aerobic and anaerobic fitness.3 This decline isn’t just about physical health; it’s closely tied to mental well-being as well.
We’re only now beginning to see the many ways covid-19 lockdowns impacted adolescent brain development and physical fitness; the full effects likely won’t be apparent for years or decades to come.
The Impact of Lockdowns on Adolescent Brain Development
Adolescence is a critical period for brain maturation, where emotional and social development take centre stage. During this time, your brain undergoes significant changes, including synaptic pruning and myelination, which are essential for cognitive and emotional growth. However, the covid-19 lockdowns disrupted these typical developmental trajectories, particularly in girls.4
Researchers used MRI scans to compare brain structures before and after the lockdowns, revealing that young girls experienced more rapid cortical thinning than boys did. Cortical thinning is a natural part of brain development during adolescence, where your brain’s outer layer, the cortex, becomes thinner as it matures.
This process is essential for improving cognitive functions like thinking, memory and emotional regulation. However, the study showed that the lockdowns caused this thinning to happen much faster than usual, especially in female adolescents. Girls experienced a mean brain age acceleration of 4.2 years compared to 1.4 years in boys.
The acceleration in brain maturation is linked to increased stress caused by the pandemic restrictions. Prolonged social isolation and the disruption of daily routines led to higher levels of stress hormones like cortisol. These hormones affect brain development, leading to the accelerated thinning observed in the study.
Moreover, the faster brain maturation in females is concerning because it’s associated with a higher risk of developing mental health issues such as anxiety and depression. The rapid changes in brain structure may interfere with the normal development of emotional and social skills, making adolescents more vulnerable to neuropsychiatric disorders.
The study highlights the critical need for ongoing support and monitoring of adolescents who experienced the lockdowns. Providing mental health resources and promoting healthy lifestyles may help mitigate the negative impacts of accelerated brain ageing, but early intervention is essential to address the long-term consequences on young minds.
Autobiographical Memories Impact Mental Health in Lockdown
Another study found that as lockdowns continued, children’s memories of that time became less detailed and more negative over time. Initially, kids could recall specific events and feelings from the lockdown, but as months passed, their memories lost some of that detail and leaned more toward negative emotions.5
Psychological well-being among children and adolescents also took a hit during the lockdowns, with girls showing the most significant decline. While all young people experienced increased anxiety and depression, female adolescents were particularly hard hit, reporting the lowest levels of happiness and the highest levels of depressive symptoms.6
