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Study Links Sugary Drinks to Poor Teen Brain Power

2/15/2026

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Story summary
  • A Nutritional Neuroscience study led by Shuo Feng of Texas A&M University links soda and sports drink intake to reduced adolescent cognitive abilities in 8,229 high school students.
  • The researchers found sugary drinks disrupt sleep, causing memory, concentration, and decision-making difficulties.
  • Girls show a stronger link between sports drinks and cognitive issues than boys.
  • Limitations include self-reported data and a cross-sectional design.
  • Reducing sugary beverage intake could improve youth health and academic performance.