پاورپوینت کلیات بهداشت حرفه‌ای ..

پاورپوینت کلیات بهداشت حرفه‌ای .. (pptx) 18 اسلاید

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بنام خدا کلیات بهداشت حرفه‌ای Occupational Health History Industrial Hygiene Occupational Hygiene Occupational Health Hygieia Goddess of good health, cleanliness, and sanitation Occupational Health History He recognized and recorded problem of lead poisoning among miners Hippocrates  400 BC Occupational Health History He described exposure to Zinc and Sulphur among laborers in “Natural History” He devised a protective mask for miners made from an animal bladder to prevent inhalation of dust and lead Pliny the first century AD Occupational Health History A Greek physician Galen accurately described the pathology of lead poisoning. Galen also recognized the hazardous exposures of copper miners to acid mists. Galen 129 - 210 AD  Occupational Health History Paracelsus in Austria described lung diseases in mineworkers; Paracelsus who expressed the classic toxicology maxim: “All things are poison, and nothing is without poison, the dosage alone makes it so a thing is not a poison.” Short version: “ The dose makes the poison ” Paracelsus 1540 AD Occupational Health History Agricola described the diseases of miners and prescribed preventive measures. His book entitled De Re Metallica included descriptions of diseases associated with mining occupations (e.g., silicosis). Agricola 1556 AD Occupational Health History First scientist to demonstrate that a cancer may be caused by an environmental carcinogen. 1,2,5,6-dibenzanthracene; 1,2,7,8-dibenzanthracene; and 1,2-benzpyrene (3) benzo[α]pyrene. Sir Percivall Pott 1714 –1788 London