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How Pollution Affects Food and Human Health: An Integrated Perspective of Ayurveda and Modern Science
Summary
Researchers conducted a narrative review comparing how both Ayurvedic medicine and modern science explain the health effects of food contaminated by pollution, including microplastics. Both systems identified overlapping mechanisms of harm — modern science through oxidative stress and endocrine disruption, Ayurveda through concepts like Aam formation and Dosha imbalance.
Background: Environmental pollution has become a major global health threat. While its effects on air and water are well recognized, the contamination of food—through polluted air, water, soil, and plastics—remains an under-addressed path of disease causation. Ayurveda and modern science both provide extensive explanations of how polluted food affects human physiology. Objectives: To explore how pollution contaminates food, analyze the health consequences of consuming polluted food from modern scientific and Ayurvedic perspectives, and identify common conceptual bridges between the two systems of knowledge. Methods: A qualitative, narrative review integrating classical Ayurvedic principles (Agni, Aam, Dosha, Ojas, Kleda, Srotas) with contemporary scientific literature on toxicology, environmental health, nutrition, and microbiology. Mechanisms were compared and conceptual parallels identified. Results: Pollution contaminates food through deposition of heavy metals and toxic particulates from air, ingress of industrial and microbial contaminants through water, bioaccumulation of residues from polluted soil, and ingestion of microplastics. Modern science links polluted food to oxidative stress, endocrine disruption, altered metabolism, neurological impairment, immune dysfunction, and nutrient loss. Ayurveda explains these effects through disturbed Agni, formation of Aam, Srotorodha (channel blockage), Dosha imbalance, Kleda vitiation, and depletion of Ojas. Both systems indicate that polluted food contributes to chronic diseases including metabolic disorders, cancers, gastrointestinal disturbances, allergies, and mental health impairments. Conclusion: Pollution-driven food contamination poses a major threat to health by disturbing metabolic, immunological, and detoxification pathways. Ayurveda and modern science converge on the fundamental understanding that polluted food weakens systemic resilience and promotes disease. Integrated preventive strategies focusing on environmental protection, dietary purification, metabolic strengthening, and sustainable agriculture are urgently needed.