Many people try extreme fasting, only to experience dizziness and a total disruption of daily life. From a clinical perspective, the body has a powerful homeostatic tendency to return to its original state. First, those with weak digestion and chronic fatigue may be in a state of 'Spleen Deficiency' (Bi-heo, 脾虛). When the Spleen's function—responsible for nutrient absorption and transport—is impaired, the body tends to store energy more aggressively, making it easy to gain weight even with small amounts of food. In this case, prescriptions to support digestive function and replenish Qi (vital energy) take priority over calorie restriction. Conversely, those who feel heavy, experience severe swelling, and have poor circulation often have an accumulation of 'Phlegm-Fluid' (Dameum, 痰飮) or 'Blood Stasis' (Eohyeol, 瘀血). Phlegm-Fluid refers to accumulated metabolic waste, while Blood Stasis refers to stagnant blood flow. When these pathways are blocked, metabolism slows down regardless of food intake, leading to an easy yo-yo effect. This requires a process to clear the circulatory blockages. Ultimately, the key to preventing the yo-yo effect is finding a 'weight loss pace that your body can sustain.' Rather than forced weight loss, the answer lies in balancing the body: removing excesses and filling in functional deficiencies. Let's identify your specific body type and find the right path for you.