Smartphones may be harmful for kids under 13
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A new study published in the Journal of Human Development and Capabilities warns that children under the age of 13 should avoid using smartphones. Studies suggest early exposure can affect attention, sleep, and emotional development, potentially leading to long-term behavioral and mental health issues. Experts recommend limiting screen time and encouraging alternative activities to support healthy growth and development.
Source
Thiagarajan, T. C., Newson, J. J., & Swaminathan, S. (2025). Protecting the Developing Mind in a Digital Age: A Global Policy Imperative. Journal of Human Development and Capabilities, 26(3), 493–504. https://doi.org/10.1080/19452829.2025.2518313
Additional Reading
https://www.cnn.com/2025/07/21/health/smartphones-not-safe-preteens-wellness
https://www.pewresearch.org/internet/2025/10/08/how-parents-manage-screen-time-for-kids/