Researchers found that higher levels of screen time at two and three years old was associated with poorer performance on a developmental screening test by age five.
This means that children weren’t meeting benchmarks in communication, social skills, problem-solving and motor skills. Because screen time is generally a sedentary activity, research is also starting to show an association with physical consequences like a higher likelihood of being overweight or obese.

The Canadian Paediatric Society recommends that children between the ages of two and five use screens for less than one hour per day.

Too much screen time can delay important developmental milestones for children, study finds