Every day, billions of people spend hours using their smartphones — but do you know how this affects your body and brain? In this listening task, you’ll explore fascinating facts about how mobile phones influence our health, habits, and even sleep. Listen carefully. Fill in each gap with one or two words.
1. The speaker points out that extended screen exposure, together with long periods at computers, has caused a noticeable in cases of myopia, also known as nearsightedness.
2. The speaker illustrates phone addiction using a popular mobile game, explaining that as players complete small goals, the brain releases dopamine, and after continued success, the game provides new as a form of reward.
3. The speaker refers to scientific research showing that when a mobile phone is actively transmitting a signal, the strength of alpha waves becomes noticeably , indicating that phone activity can directly affect brain function.
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