Oja: the essence of vitality in Ayurveda — a review of classical concepts, physiological correlates, and clinical significance
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Abstract
Oja is described as the quintessential essence of all Dhatus and the foundation of life in Ayurveda. It governs immunity (Vyadhi Kshamatva), vitality, mental stability, and survival. Classical texts attribute death to Oja depletion, reflecting its indispensable role. While Oja is extensively explained in Charaka, Sushruta, and Ashtanga Sangraha, its scientific relevance is now understood through concepts like immune competence, neuroendocrine resilience, mitochondrial efficiency, and homeostasis.
This review critically analyzes the Ayurvedic concept of Oja, including its types, characteristics, quantity, location, functions, disorders, and therapeutic principles, while correlating them with modern immunology, metabolism, and psychoneuroimmunology. The goal is to bridge traditional Ayurvedic wisdom with contemporary biomedical perspectives for holistic clinical application.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
References
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