Occupational illness is defined as any abnormal condition or disorder, other than one resulting from an occupational injury, caused by exposure to environmental factors associated with employment. It includes acute and chronic illnesses or diseases that may be caused by inhalation, absorption, ingestion, or direct contact.
Occupational Psychology refers to the application of Psychology within work and business. The areas of study include personnel selection and assessment, training and learning, organisational development, individual well-being at work, Ergonomics, and research methods . Occupational Psychology is also commonly known as Business Psychology, Work Psychology, Organisational Psychology and Industrial Psychology.