Among toddlers, spending a lot of time staring at screens is linked with poorer performance on developmental screening tests later in childhood, according to a new study.
원문출처 : https://www.cnn.com/2019/01/28/health/screen-time-child-development-study/index.html
원문출처 : https://www.cnn.com/2019/01/28/health/screen-time-child-development-study/index.html