Core Viewpoint - The article discusses the rising popularity of various extreme dieting methods, often promoted on social media, and highlights the potential health risks associated with these "internet celebrity" diets. It emphasizes the need for a scientific and individualized approach to weight management. Group 1: Popularity and Risks of Extreme Diets - Extreme dieting methods, such as ketogenic diets and liquid fasting, are widely shared as "weight loss secrets" on social media, but many of these methods are not suitable for everyone and carry health risks [1][2][6] - Individuals who drastically limit carbohydrate intake may experience short-term weight loss, but studies show that adherence is difficult and complications can arise [3][6] Group 2: Health Consequences of Extreme Dieting - Extreme calorie restriction can lead to long-term digestive issues, such as indigestion and fatigue, and single-food diets can result in nutritional imbalances, potentially causing metabolic slowdown and fat accumulation [5][9] - Blindly following popular dieting trends can lead to serious health issues, including hair loss, insomnia, and menstrual irregularities in women, indicating that the body is suffering from improper dieting methods [9] Group 3: Recommendations for Healthy Weight Management - Experts recommend that weight loss should not rely solely on eating less but should include a balanced diet and regular exercise, focusing on energy control and nutritional balance [10][11] - For specific populations, such as obese patients, a comprehensive treatment plan tailored to individual needs is essential, and weight loss should be viewed as a long-term journey rather than a short-term sprint [13]