50.「スマホが脳の発達を妨げる」子ども233人への3年間追跡調査/”Smartphones Impede Brain Development” – A Three-Year Follow-Up Study on 233 Children

episode

Previously titled “やさしい日本語50 「スマホが脳の発達を妨げる」子ども233人への3年間追跡調査/”Smartphones Impede Brain Development” – A Three-Year Follow-Up Study on 233 Children” — renamed by the publisher on Aug 4, 2026

AmaoJapan やさしい日本語 not yet transcribed
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