Having a Cellphone at Younger Than 12 Could Carry Health Risks, Study Says

Researchers found higher rates of depression, poor sleep and obesity among tweens who had early access to a cellphone. https://static01.nyt.com/images/2025/12/01/well/01WELL-SMART-PHONE-STYUDY-image/01WELL-SMART-PHONE-STYUDY-image-mediumSquareAt3X-v5.jpg