Calorie Restriction

Definition

Calorie restriction is the practice of reducing daily calorie intake without malnutrition to improve health and extend lifespan.

Scientific / Technical Definition

Calorie restriction refers to a dietary regimen that reduces calorie intake below usual levels without incurring nutritional deficiencies, aiming to enhance metabolic health and longevity. Studies indicate that it alters aging processes and provides protection against diseases related to aging.

Benefits

• May extend lifespan and delay the onset of age-related diseases.
• Improves metabolic health by reducing body weight and lowering blood pressure.
• Enhances insulin sensitivity and reduces the risk of type 2 diabetes.
• Decreases inflammation and oxidative stress.
• May improve brain function and reduce the risk of neurodegenerative diseases.

Examples

• CRON diet (Calorie Restriction with Optimal Nutrition)
• Reduced-calorie meal plans with balanced nutrients
• Intermittent fasting as a form of periodic calorie restriction

Additional Information

• Side effects: Potential side effects include feelings of hunger, fatigue, nutritional deficiencies if not managed correctly, and potential impacts on mental health.

Related Terms

• Fasting
• Intermittent Fasting
• Metabolic Health
• Longevity

References

• Caloric restriction and aging: Review.
• The impact of caloric restriction on health and longevity.