Letting a baby play on an iPad might lead to speech delays, 研究报告说，

Anyone raising a child today has likely fretted about screen time and wondered about the impact of devices on our kids. Does the technology affect their brains? Does it limit their social development? Could it harm them emotionally? Could it delay when they start talking? I had never thought about that last question until a new study, released Thursday and being presented at the 2017 Pediatric Academic Societies Meeting, revealed some striking findings. The study found that the more time children between the ages of six months and two years spent using handheld screens such as smartphones, tablets and electronic games, the more likely they were to experience speech delays.

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