Body mass index = weight Kg/ height m/ height m, so the lower limit of your standard weight is18.5 *1.68 *1.68 = 52.2, and the upper limit is 23.9 *1.68 *1.

In daily life, we must learn to adjust our weight through diet and exercise, because the range of normal weight is still very large, so it is necessary to lose weight healthily. Eating less or not eating foods with high fat content, such as fried greasy fat, or eating these foods with Shuerjia can reduce the absorption of fat in food. You can also eat more fruits and vegetables, eat less foods with high sugar content, eat less snacks and sweets, and don't eat supper. By improving your eating habits, you can control your weight at a normal and healthy level. At the same time of diet control, we should also combine the intervention of exercise to make people sweat and form habits. In the long run, the natural weight will remain in a relatively stable state, or within the normal weight range.