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The tiny waist challenge also called the ‘A4 waist challenge’ involves women uploading photos of themselves comparing their waist measurements to a vertical piece of A4 paper. | Health
A4 waist challenge: The unrealistic 'fitness' trend sweeping China
A4 waist challenge - new trend for women to slim down to thinner
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The Lallantop on X: New weird trend in china #A4WaistChallenge
The A4-Waist Fad Challenges Us With Unrealistic Fitness Aims
Viral trend sees teens measure their WAIST against A4 paper
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The Troubling 'Fitness Challenge' Trending in China Right Now
Frontiers “Have You Taken the A4 Challenge?” Correlates and