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Physical Activity Linked to Lower Stress and Better Brain Function in Teens

A growing body of research highlights the long-term benefits of a traditional childhood hobby, pointing to connections between early recreational reading, sharper cognitive skills, and differences in brain structure later in life, according to findings discussed in the New York Post.

Childhood Reading Linked to Brain Structure and Cognitive Skills

Researchers analyzed data concerning more than 100,000 young people in the United States who participated in the Adolescent Brain and Cognitive Development study, which tracks participants starting from ages 9 or 10 into early adulthood. Investigators divided participants into two cohorts: those who began reading for pleasure between ages 2 and 9, and those who adopted the habit later or not at all.

Data showed that nearly 48% of the young people had little experience reading for pleasure or did not start until later in childhood, while others had spent between three and 10 years reading for enjoyment. After adjusting for socioeconomic status and other factors, the team observed a strong association between early recreational reading and enhanced cognitive abilities during adolescence. Early readers scored higher on tests measuring verbal learning, memory, and speech development, and they generally performed better academically. Additionally, survey data indicated that just over a third of 9-year-olds in the United States read for fun almost every day.

Mental Well-Being and Reduced Stress

Beyond academic performance, the young readers exhibited better mental well-being, displaying fewer signs of stress and depression. They also demonstrated sharper attention spans and fewer behavioral problems, such as aggression and rule-breaking. Furthermore, the early-reading group reported less screen time, and brain scans revealed distinct structural differences in areas previously linked to mental health, behavior, and attention.

Professor Barbara Sahakian, a neuroscientist at Cambridge University who studies the hobby, stated in a press release that the activity should be encouraged from an early age, though she noted that it is never too late to start. Similarly, Professor Jianfeng Feng of Fudan University in Shanghai and the University of Warwick in the UK stated that parents should be encouraged to awaken the joy of reading in children early on to provide enjoyment, support development, and foster long-term habits beneficial into adult life. Dr. Christelle Langley, a cognitive neuroscientist in Cambridge’s Department of Psychiatry, emphasized that society should do everything possible to introduce young people to reading given its benefits.

Optimal Duration and Current Trends

When examining how much time children should spend on the pastime, researchers found that more is not necessarily better. The optimal duration for recreational reading as a young child appeared to be approximately 12 hours a week.

An image collage containing 2 images, Image 1 shows A stylish young woman with long dark hair, wearing an orange shirt and
Photo: Nypost

At the same time, experts note broader challenges surrounding literacy. Reading among children and adolescents is declining and may be at its lowest level since record-keeping began, as detailed in Cambridge University Press & Assessment. However, even young people reporting low enjoyment recognized reading’s educational value, with nearly half stating that it helps them learn new words or acquire new things. Many participants chose to read alternative formats such as song lyrics, news articles, fiction, comics, and fan fiction, suggesting that aligning reading with personal interests and familiar media could help reverse downward trends.

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