A sweeping global study has found that children who receive smartphones before age 13 are at significantly higher risk for mental health problems later in life, including depression, suicidal thoughts, aggression, and low self-worth. The research, which surveyed nearly 2 million people across more than 160 countries, highlights especially strong negative effects for girls. Experts warn that early exposure to smartphones and social media can disrupt healthy emotional development and sleep, and may contribute to behavioral issues and screen addiction. The findings have prompted calls from scientists and health professionals to delay smartphone ownership until at least age 13 and to implement stricter policies around children's digital access. Parents and educators are urged to be vigilant about screen time and to foster healthier, tech-free environments for young children.
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