Two Essential Conditions for Fat Loss

Many people ask why weight loss starts off quickly but becomes harder after a week or two, often leading to despair and rebound weight gain. Let’s dive in with the editor to uncover the reasons behind this! To reduce fat, two critical conditions must be met: creating a calorie deficit and maintaining a balanced basal metabolic rate (BMR). An adult’s daily energy expenditure comprises five components: basal metabolic rate, daily activity, thermic effect of food, adaptive thermogenesis (energy changes due to environmental temperature, stress, or other factors), and exercise. Energy needs vary based on activity level, daily routines, gender, age, and weight, typically ranging from 1,500 to 3,000 kilocalories for most adults, or about 25–50 kcal per kilogram of body weight (assuming an average weight of 60 kg). Beyond these, genetics, digestive function, and health status also influence energy intake, utilization, and expenditure. Here, we focus on general cases. The Principle of ...