Could Fasting Hurt Teenagers New Research Raises Red Flags
Intermittent Fasting Risks for Teenagers: New Study Raises Concerns
A recent study led by the Technical University of Munich (TUM) uncovers concerning risks linked to intermittent fasting for teenagers. While intermittent fasting is recognized for its benefits in weight management and heart health, researchers found it can disrupt beta cell development in young mice, leading to impaired insulin production and potential long-term metabolic problems.
Impact on Insulin-Producing Beta Cells
Adolescent mice exhibit diminished insulin production after fasting
The study, published in Cell Reports, involved studying three groups of mice: adolescents, adults, and older animals. The research team discovered that while intermittent fasting enhanced insulin sensitivity in adult and older mice, the adolescent mice experienced a decline in the function of beta cells in their pancreas. Beta cells are crucial for insulin production, which regulates blood sugar levels. The young mice also showed a lack of beta cell maturation, resembling the impairment seen in individuals with type 1 diabetes.
Insights and Risks for Human Health
Teenagers may face metabolic challenges similar to those in type 1 diabetes
This finding raises significant concerns about the practice in teenagers. The study suggests that while fasting benefits adults by improving metabolism, it could harm developing insulin-producing cells in young individuals. These results could have broader implications for human health, particularly regarding metabolic disorders like type 2 diabetes.
Next Steps and Future Research
Understanding molecular mechanisms could help develop new diabetes treatments
The researchers aim to further explore the molecular mechanisms behind these findings. By uncovering how to support healthy beta cell development in younger individuals, new treatments for diabetes that restore insulin production could be discovered.
Conclusion
Intermittent fasting may not be suitable for teenagers
This study emphasizes that while intermittent fasting may benefit adults, it poses potential risks to teenagers and should be approached with caution in youth populations.
More Information: Leonardo Matta et al, Chronic intermittent fasting impairs β cell maturation and function in adolescent mice, Cell Reports (2025). DOI: 10.1016/j.celrep.2024.115225
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