OccupationalHealth “It is defined as the promotion and maintenance of highest degree of physical, mental and social well-being of workers in all occupations.”
To maintain and promote the physical, mental and social well being of the workers. • To prevent occupational diseases and injuries. • To adapt the work place and work environment to the needs of the workers i.e application of ergonomics principle. • It should be preventive rather than curative.
Chemical hazards:Solids, liquids or gases, vapours, fumes, dusts, smoke, mist, fog, or smogs. • Biological hazards: Viruses, rickettsiae, bacteria, fungi, protozoa and helminthes transmitted in certain occupations. • Mechanical hazards: Defective design of machinery, defective procedures, unguarded machinery, protruding & moving parts, falling heavy objects & poor ergonomics. • Psychosocial hazards: Type of work, risks involved in work, monotony, long working hours, lack of recognition & job satisfaction, poor man made management, lack of welfare activities, tensions at home & work place
Occupational Lung Diseases (“Condition that develops as a result of person inhaling harmful substances at his or her place of work”) Pneumoconiosis Hypersensitivity Diseases Asthma: Overreaction of airborne pollutants Inhalation of dust
Epidemiology of Industrial Accidents Diseases • Host Factors: • Age • Sex • Experience and education • Concomitant disease • Psychological factors • Personality Traits/Emotional stability • Wearing unsuitable shoes • Carrying improper loads • Faulty stepping • Not using personal Protective measures • Physical defects
Agent Factors • Improper planning and construction of factories, Machines, Faulty design, Lack of maintenance • Entanglement of loose clothes and hair • Transmission of Machinery, Speed of Work Processes, Faulty planning • Boiler explosion, Dust explosion, Corrosive materials • Molten metal and Hot liquids • Flying solid particles • Metal grinding • Chipping metal • Electricity
Enviornmental factors • Physical • Overcrowding • Defective lighting • Temperature • Ventilation • Humidity • Radiations from surroundings • Pressure • Noise • Vibrations • Ionizing Radiation • Slippery Floors • Uncovered drains • Social • At work place • Domestic • Relationship between • workers and management • Lack of Safety Policy