It is not recommended that we blindly eat to gain weight, as long as the BMI value to remain within the normal range, without the need to deliberately increase the weight to maintain a normal diet, such as the disease caused by wasting, you need to actively treat.
Causes of body thinning is more than one reason, and not by simply eating to be able to gain weight, need to be analyzed in conjunction with the specific situation. As long as the BMI value to remain within the normal range, to maintain a comprehensive and balanced diet can be, at the same time can actively exercise, there is no need to deliberately gain weight.
Some people because the gastrointestinal tract digestion and absorption function is not good, food intolerance or other diseases caused by body thinning, this is a disease factors, need to be under the guidance of the doctor for the cause of treatment, such as hyperthyroidism, need to take propylthiouracil and other treatments to restore the normal function of the thyroid gland, to maintain a normal diet can be gradually gain weight.
Weight is not the only standard, or need to be healthy, avoid overeating behavior.