Digital health – level 2
23-10-2024 15:00
Some Americans look at their smartphones and other screens such as computers or TVs for more than 8 hours a day. Many people sleep less than 8 hours per night. Unfortunately, screen time can tire or hurt your eyes and brain.
Due to COVID, children are getting more screen time. Some studies show that too much screen time can lower their language and thinking test scores and thin the brain’s cortex. The cortex is where people solve problems or make arguments.
The screens are also negative for their sleep, and sleep is important to their brain’s growth. The screens make a blue light which tells their brain to delay sleep. The blue light then keeps children more alert at night when they should sleep.
Difficult words: thin (to get smaller), cortex (the front of the brain), delay (to wait).
You can watch the original video in the Level 3 section.
What negative effects can increased screen time have on children's brain development and sleep patterns, according to the text?
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