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Complete Guide to Diseases and Affected Organs in Human Body - India 2025 Edition
beginner⏱ 30 min min read
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Human Diseases, Affected Organs, and Pathogens
A guide to common human physiological disorders, the organs they primarily impact, and environmental industrial pollutants causing occupational hazards:
1. Diseases and Affected Organs
| Disease | Primary Target Organ / System |
|---|---|
| Cholera / Typhoid / Diarrhea | Intestines / Digestive System |
| Tuberculosis / Pneumonia / Plague | Lungs / Respiratory System |
| Asthma / Whooping Cough | Respiratory Tract |
| Tetanus / Polio / Rabies / Leprosy | Nervous System (Leprosy also affects skin) |
| Trachoma / Cataract / Myopia / Glaucoma | Eyes |
| Psoriasis / Eczema / Vitiligo | Skin |
| Scurvy | Gums / Skin (Vitamin C Deficiency) |
| Gingivitis / Pyorrhea | Gums |
| Diabetes | Pancreas (Insulin Production impairment) |
| Diphtheria | Throat / Upper Respiratory Tract |
| Filariasis (Elephantiasis) | Lymphatic System (manifests in lower limbs) |
| Goiter | Thyroid Gland (Iodine Deficiency) |
| Mumps | Salivary Glands (specifically Parotid Glands) |
| Osteomyelitis | Bone Marrow / Bones |
| Rickets | Bones (Vitamin D Deficiency in children) |
| Otitis | Ears (specifically middle ear inflammation) |
| Hepatitis / Jaundice | Liver |
| Arthritis / Rheumatism | Joints |
| Malaria | Spleen / Red Blood Cells |
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2. Environmental Pollutants and Occupational Diseases
| Environmental Pollutant / Dust | Associated Occupational Disease / Condition |
|---|---|
| Mercury ($Hg$) | Minamata Disease, Erethism (Mad Hatter's disease) |
| Cadmium ($Cd$) | Itai-Itai Disease (bone softening and renal failure) |
| Asbestos Dust | Asbestosis, Mesothelioma (lung lining cancer) |
| Lead ($Pb$) | Plumbism (Saturnism - central nervous damage) |
| Coal Dust | Black Lung Disease (Coal Workers' Pneumoconiosis) |
| Silica Dust | Silicosis (fibrotic lung disease) |
| Cotton Dust | Byssinosis (Brown Lung Disease) |
| Iron Dust | Siderosis |
| Zinc Deficiency (Crops) | Khaira Disease (specifically in Paddy/Rice) |