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close this bookYour Health and Safety at Work: A Collection of Modules - Your Body at Work (ILO, 1996, 40 p.)
close this folderIII. Effects of toxic substances
View the document(introduction...)
View the documentA. Local effects
View the documentB. Systemic effects
View the documentC. Acute effects
View the documentD. Chronic effects


Although some of the medical terms may be unfamiliar to you, it is important to understand the body's reaction to toxic materials. Knowing what to look for may alert you to the signs and symptoms associated with a particular occupational disease. Toxic substances can cause four types of effects on the body: local, systemic, acute and chronic.