New Study Suggests Link Between Screen Time in Youth and Health Issues in Adulthood
A new study published in Pediatrics has found that the amount of time young people spend watching screens may be linked to health problems in adulthood. The research, which followed hundreds of children in New Zealand from 1973 until they turned 45 years old, discovered that those who spent more time watching television had less efficient oxygen use during exercise, higher blood pressure, and higher rates of obesity later in life.
Study author Dr. Bob Hancox emphasizes that while the study cannot prove that watching TV caused these health effects, there are possible reasons for the association. Kids who have more screen time are likely to be less physically active and may develop poor eating habits due to exposure to advertisements for junk foods.
“Physical inactivity and sedentary behavior increase the risk of being overweight and unfit,” warns Hancox. This study is particularly relevant today as screen time options have increased significantly since the 1970s. Experts believe that the findings provide crucial information for parents to guide their children’s screen time usage.
Dr. Veronica Johnson, an assistant professor of internal medicine and pediatrics focusing on obesity medicine at Northwestern Medicine, emphasizes the importance of critical development years and the need for societal support in encouraging physical activity. Parents are advised to closely monitor their children’s screen time and set limits. The American Academy of Pediatrics suggests limiting unnecessary screen time, viewing screens with children, and focusing on content and communication around screen time to support emotional, social, brain, and identity development.
In addition to screen time guidelines, experts also highlight the importance of diet and physical activity. The Centers for Disease Control and Prevention (CDC) recommends replacing sugary drinks with water and fruit, using vegetables as quick snacks, and flavoring meals with healthier alternatives. Families can increase physical activity by spending time in parks or incorporating movement into daily tasks, such as walking or biking to school or work if feasible.
Dr. Amanda Velazquez, director of obesity medicine at Cedars-Sinai, stresses the need for personalized meal plans that consider an individual’s schedule, cultural preferences, and eating patterns. Finding a sustainable diet plan is crucial for long-term success.
Experts note that screen time isn’t inherently bad for children as long as it involves developmentally appropriate educational programs, video chatting with family, or exercise videos with benefits for families. However, it’s crucial to manage the dose of screen time given the negative impact on physical and mental health when consumed excessively.
Dr. Barrington Hwang, a child and adolescent psychiatry fellow at Vanderbilt University Medical Center and member of the ABC News Medical Unit, concludes that screens have evolved significantly over time, and it’s essential to strike a balance in screen usage to maintain overall health and well-being.
As the impact of screen time becomes increasingly evident, addressing this issue from an early age is crucial in promoting healthier lifestyles and preventing potential health issues in the future.