Caloric restriction aging refers to biological changes influenced by sustained reduction in calorie intake without malnutrition. This intervention consistently delays aging and extends lifespan across species. Caloric restriction improves metabolic efficiency, reduces oxidative damage, and enhances cellular stress resistance. It suppresses excessive growth signaling while promoting autophagy and DNA repair. In humans, caloric restriction is associated with improved cardiometabolic health and reduced inflammation. Caloric restriction aging research has provided foundational insights into how nutrient availability regulates aging processes. These findings have shaped modern understanding of longevity pathways and healthspan optimization.
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