Giving a young kid a smartphone may be a big mistake.

New research conducted by scientists from UC Berkeley and Columbia University found that children 12 years old and younger who received one of these devices were at a higher risk of depression, obesity, and sleep deprivation.

The alarming findings, published as a study in the journal Pediatrics, were based on an analysis of over 10,000 children who participated in the Adolescent Brain Cognitive Development Study between 2018 and 2020, which is purportedly the largest long-term study of brain development and child health in the US. And while they don’t strictly establish causation, the broad correlation they show underscores a larger and ever-growing body of research exploring the deleterious cognitive effects that devices like smartph

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