To create a thumbnail for "Competitive exams threaten mental health," you could visualize it as follows: Background: A classroom or exam hall setting, with desks and exam papers scattered. Main Subject: A single man depicted in three different emotions: Left Side (Happy): Smiling, maybe holding a book or a paper with a good grade. Middle (Sad): A neutral or downcast expression, possibly looking at a blank sheet or a low score. Right Side (Anxiety): Wide-eyed, maybe biting nails or looking overwhelmed with books around him. Text Overlay: Bold text at the bottom that reads "Competitive Exams Threaten Mental Health" in a striking color that contrasts well with the background. Color Scheme: Use a gradient or blend of colors that can evoke the range of emotions—bright colors for happiness, muted tones for sadness, and darker shades for anxiety.

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