“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.

“I believe it’s the first study to examine mobile media device and communication delay in children,” said Dr. Catherine Birken, the study’s senior investigator and a pediatrician and scientist at the Hospital for Sick Children in Toronto, Ontario. “It’s the first time that we’ve sort of shone a light on this potential issue, but I think the results need to be tempered (because) it’s really a first look.”
In the study, which involved nearly 900 children, parents reported the amount of time their children spent using screens in minutes per day at age 18 months. Researchers then used an infant toddler checklist, a validated screening tool, to assess the children’s language development also at 18 months. They looked at a range of things, including whether the child uses sounds or words to get attention or help and puts words together, and how many words the child uses.

Twenty percent of the children spent an average of 28 minutes a day using screens, the study found. Every 30-minute increase in daily screen time was linked to a 49% increased risk of what the researchers call expressive speech delay, which is using sounds and words. The study did not find any link between use of a handheld device and other areas of communication, such as gestures, body language and social interaction.”

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