Group 1 - The article discusses the traditional practice of "Tianqiu Piao" in northern China, which refers to the habit of replenishing body weight after summer's heat and loss of appetite [1] - It questions the necessity of blindly following this practice and suggests a more balanced approach to diet according to seasonal changes [1] Group 2 - The article emphasizes that individuals who are already overweight should not engage in "Tianqiu Piao" without consideration [3] - It highlights the importance of body fat percentage (BF%) as a more accurate measure of obesity compared to Body Mass Index (BMI), with specific thresholds for men and women [2] Group 3 - The article explains the health risks associated with different types of obesity, particularly central obesity, which is prevalent among adult men in China and poses a higher risk for chronic diseases [4] - It notes that central obesity increases the likelihood of metabolic syndrome by 3 to 4 times and raises the risk of hypertension, hyperlipidemia, and diabetes [4] Group 4 - For individuals with low body weight, the article suggests a moderate approach to "Tianqiu Piao," emphasizing a balanced diet that includes a variety of nutrients from different food sources [5] - It advises against excessive consumption of fatty foods and recommends incorporating grains, vegetables, and fruits to prevent dryness and heat in autumn [5] Group 5 - The article stresses the importance of maintaining a balanced diet and regular exercise as part of a healthy lifestyle [6]