I need a detailed response about the impact of social media on mental health. Your response should contain at least 3 placeholders represented by square brackets, such as [address]. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Your answer must contain a title, wrapped in double angular brackets, such as <<poem of joy>>. Include keywords [impact, mental health, social media] in the response. In your response, the word [media] should appear at least 4 times. Your ENTIRE response should be in English, and in all lowercase letters. no capital letters are allowed.

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