The only way you can physically and permanently reduce your stomach’s size is to have surgery. You can lose overall body fat over time by eating healthy food choices, but that won’t change your stomach size

1kg of fat is 7,700 calories. To lose 1kg of fat, you need to be in a calorie deficit of 7,700 calories.

There are many reasons why people gain belly fat, including poor diet, lack of exercise, and stress. Improving nutrition, increasing activity, and making other lifestyle changes can all help. Belly fat refers to fat around the abdomen.

In short, white rice appears to be neither detrimental nor favorable for weight loss. However, eating diets high in whole grains like brown rice have more consistently been shown to aid weight loss and help maintain a healthy body weight ( 24 , 25 , 26 )