Calorie restriction

Calorie Restriction

Introduction

Calorie restriction is a dietary regimen that involves reducing food intake without causing malnutrition. It is a well-researched approach to potentially improve health and extend lifespan.

Definition

A selection of healthy, low-calorie foods.

Calorie restriction means consuming fewer calories than are expended, while still obtaining all necessary nutrients. It can be relative to an individual's prior intake or compared to an average person of similar body type.

Methods of Calorie Restriction

Various methods are used to achieve calorie restriction, including:

• Reducing portion sizes
• Selecting foods with lower calorie density
• Intermittent fasting

Health Benefits

Research indicates that calorie restriction can offer health benefits such as:

• Improved metabolic health
• Reduced risk of chronic diseases like diabetes and heart disease
• Enhanced longevity

Potential Risks and Considerations

It is crucial to avoid malnutrition or nutrient deficiencies. Calorie restriction should be approached with caution, particularly in certain populations like children, pregnant women, and individuals with pre-existing health conditions.

Research in Longevity and Aging

Studies, including animal models, suggest that calorie restriction can slow the aging process and increase lifespan. Ongoing research aims to understand the mechanisms behind these effects.

Personalized Approach

Calorie restriction should be tailored to individual needs, taking into account factors like age, activity level, and medical history.

See Also

• Nutrition
• Metabolism
• Intermittent fasting

External Links

• National Institute on Aging - Calorie Restriction and Fasting Diets
• Harvard T.H. Chan School of Public Health - Calorie Restriction

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