Caloric restriction as a weight loss method is an important approach for treating obesity, and its effectiveness has been proven by many dieters.

There are positive and negative conclusions about caloric restriction; if used properly, it can produce favorable outcomes;if misused, it may lead to adverse results.

Positive outcomes include rapid weight loss, significant decrease in body weight, reasonable application, and longer-lasting maintenance.

Negative effects include: if extremely low-calorie diets are adopted, weight regain is noticeable after discontinuing the diet;long-term restriction leads to anemia,reduced immunity,ketoacidosis, hyperuricemia, hypoglycemia, neutropenia, hair loss,

and even neurotic anorexia.