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Screen Time Risks: Protecting Your Child's Heart Health

In today's world, children are spending more time than ever in front of electronic devices. Recent research reveals a critical connection between excessive screen time and potential health risks for young people, particularly their heart health.A groundbreaking study published in the Journal of the American Heart Association uncovered alarming findings about how screens impact children's cardiometabolic health. Researchers tracked over 1,000 young people aged 10-18, discovering that each additional hour of screen time increases health risks.

August 25, 2025

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What the Research Shows

The study found that:

  • 10-year-olds saw a 0.08 standard deviation increase in health risks per hour of screen time

  • 18-year-olds experienced a 0.13 standard deviation increase

  • Teens average six hours of daily screen time

  • Children average three hours of daily screen time

Key Health Risks Include:

  • High blood pressure

  • High cholesterol

  • Insulin resistance

The Sleep Connection

Researchers also discovered that screen time doesn't just impact health directly. It "steals" time from sleep, creating a compounded health risk. Less sleep and later bedtimes amplify the negative effects of prolonged screen exposure.

Dr. David Horner from the University of Copenhagen emphasizes the importance of balanced daily routines. "Limiting discretionary screen time in childhood and adolescence may protect long-term heart and metabolic health," he explains.

Practical Tips for Parents

  1. Set clear screen time limits

  2. Establish device-free zones at home

  3. Encourage physical activities

  4. Create consistent sleep schedules

  5. Model healthy device habits

The Growing Awareness

More states are taking action, with over half now implementing laws to restrict cellphone use in schools. The U.S. Surgeon General has also urged parents to create "tech-free zones" for children.

Additional research supports these findings, showing links between excessive screen time and:

  • Increased anxiety

  • Low self-esteem

  • Potential aggressive behaviors

Take Action Today!

Parents, you have the power to protect your child's health. Want to learn more about supporting your child's physical and mental well-being?

Sign up for the FREE 9 Day Kidnections Mindset Makeover at https://www.kidnections.org/

This comprehensive program will help you:

  • Understand screen time impacts

  • Build stronger family connections

  • Support your child's overall health

  • Create positive lifestyle habits

Don't wait – your child's health matters!

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Bullet Points:

  • The study showed excessive electronic device usage by children and teens increases cardiometabolic disease risks.

  • Each additional hour of screen time count was found to intensify these health risks.

  • Reduced sleep further exacerbates these adverse effects, stressing the importance of balanced routines.

  • While the study indicates associations, not direct causes, it highlights the need for regulated screen time for young people's well-being.