Environmental factors that are known to cause, or are suspected of causing, disease. The main types of health hazard are: infectious disease (see bacteria; fungal infections; insects and disease; viruses; zoonosis); an insufficient supply, or the contamination, of food and water (see food additives; food-borne infection; food poisoning); work-related hazards (see occupational disease and injury); hazards associated with domestic and social life; tobacco- smoking and alcohol; and global environmental hazards (see pollution; radiation hazards; sunlight, adverse effects of).
Health hazards |
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