In particular, intermittent fasting, which involves cycling between periods of eating and fasting, has been shown to be an effective strategy for weight loss. Studies have found that intermittent fasting can lead to significant reductions in body weight, body fat, and waist circumference, as well as improvements in markers of metabolic health. Increased longevity: Another potential benefit of fasting is its ability to extend lifespan. Studies in animals have shown that caloric restriction, a form of fasting that involves reducing overall calorie intake without malnutrition, can extend lifespan and improve healthspan, or the period of life in which an individual remains free of chronic diseases.