Q. I lost weight using diet pills, but are there any warning signs that I might be gaining it back? I'm also worried about potential side effects.

Signs of weight regain often manifest as changes in your physical condition before the scale actually moves. Based on clinical experience in Traditional Korean Medicine (TKM), here are five key warning signs: 1. Morning Edema and Heaviness: This occurs when 'Dameum' (痰飮)—unnecessary metabolic waste and fluid accumulation—builds up, hindering circulation and slowing down your metabolism. 2. Uncontrollable Return of Appetite: Extreme restriction can trigger a 'survival mode.' This is often linked to 'Bi-heo' (脾虛), a deficiency in the Spleen/Digestive system, leading to a loss of control over nutrient absorption and appetite. 3. Extreme Fatigue and Lethargy: If you lack energy despite maintaining your weight, it likely indicates a sharp drop in muscle mass and basal metabolic rate. 4. Poor Sleep Quality and Irritability: Stimulation from diet pills or stress can destabilize the mind and body, causing sleep disorders that create a vicious cycle leading to binge eating. 5. Coldness in Specific Areas: When 'Eohyeol' (瘀血)—stagnant blood or blood stasis—accumulates and obstructs circulation, extremities become cold and overall metabolism slows further. Having experienced the pitfalls of over-prioritizing efficiency over health in the past, I understand how dangerous it is to push the body too hard. The 'yo-yo effect' is not just about weight gain; it is a process of the body's holistic balance collapsing. It is essential to identify which signals your body is sending and work toward restoring that balance.