The following is excerpted from an online article posted by ScienceDaily.
Hours of inactivity during childhood could be setting the stage for heart attacks and strokes later in life, according to research presented at ESC Congress 2023. The study found that sedentary time accumulated from childhood to young adulthood was associated with heart damage -- even in those with normal weight and blood pressure.
"All those hours of screen time in young people add up to a heavier heart, which we know from studies in adults raises the likelihood of heart attack and stroke," said study author Dr. Andrew Agbaje of the University of Eastern Finland, Kuopio, Finland. "Children and teenagers need to move more to protect their long-term health."
This was the first study to investigate the cumulative effect of smartwatch-assessed sedentary time in young people and cardiac damage later in life. It was conducted as part of the Children of the 90s study, which began in 1990/1991 and is one of the world's largest cohorts with lifestyle measurements from birth.
The study included 766 children, of whom 55% were girls and 45% were boys. At 11 years of age, children were sedentary for an average of 362 minutes a day, rising to 474 minutes a day in adolescence (15 years of age), and 531 minutes a day in young adulthood (24 years of age). This means that sedentary time increased by an average of 169 minutes (2.8 hours) a day between childhood and young adulthood.
Dr. Agbaje said: "Children were sedentary for more than six hours a day and this increased by nearly three hours a day by the time they reached young adulthood. Our study indicates that the accumulation of inactive time is related to heart damage regardless of body weight and blood pressure. Parents should encourage children and teenagers to move more by taking them out for a walk and limiting time spent on social media and video games."
Source: ScienceDaily
https://www.sciencedaily.com/releases/2023/08/230823122511.htm
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