Screen-based media associated with structural differences in brains of young children

A new study documents structural differences in the brains of preschool-age children related to screen-based media use. Continue reading “Screen-based media associated with structural differences in brains of young children”

Why screen time can disrupt sleep

For most, the time spent staring at screens — on computers, phones, iPads — constitutes many hours and can often disrupt sleep. Now, Salk Institute researchers have pinpointed how certain cells in the eye process ambient light and reset our internal clocks, the daily cycles of physiological processes known as the circadian rhythm. When these cells are exposed to artificial light late into the night, our internal clocks can get confused, resulting in a host of health issues. Continue reading “Why screen time can disrupt sleep”

Limiting children’s recreational screen time to less than two hours a day linked to better cognition, study finds

Limiting recreational screen time to less than two hours a day, and having sufficient sleep and physical activity is associated with improved cognition, compared with not meeting any recommendations, according to an observational study of more than 4,500 US children aged 8-11 years old published in The Lancet Child & Adolescent Health journal. Continue reading “Limiting children’s recreational screen time to less than two hours a day linked to better cognition, study finds”

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