EESA10H3 Lecture 7: BIOLOGICAL HAZARDS AND HUMAN HEALTH
15 Dec 2011
School
Department
Course
Professor
Document Summary
_ non-transmissible diseases (cardiovascular (heart attack), cancer, diabetes, asthma (closely related with allergens)) _ transmissible diseases (infectious agent, bacteria, viruses, protozoa) _ high reproductive rate allow them to become genetically resistant quickly _ overuse of antibiotics (when not recommended by the doctor) _ antibiotics in food additives to boost livestock (prevent diseases in animals would save them money but the quality of the food goes bad) Bird flu (now in europe but also in north america) Old disease: some mummies from egypt from the pyramids are found to have some symptoms i. e. they die coz of the disease. Later in was a huge problem in the 18-19th century: transfer among family members. People used to marry after checking if there was a past history of tb in the family. Sick people had pale faces, coughed blood and dark eyes. _ 14. 6 million chronic active tb cases (chronic: not ill right away latent disease)
