Core Viewpoint - The key to weight loss is controlling the balance of energy intake and expenditure, where energy intake must be less than energy expenditure to achieve weight loss [1] Group 1 - Consuming only boiled vegetables in large quantities, along with high-energy foods like potato chips and starchy vegetables, can lead to weight gain [1] - A diet consisting solely of boiled vegetables without meat, eggs, dairy, or fruits may not provide all necessary nutrients, such as high-quality proteins and fats, potentially leading to malnutrition and health issues [1]