ETX 10 Lecture Notes - Lecture 11: Cancer, Coal Tar, Carcinogen
27 Nov 2017
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Document Summary
Focusing on types of effects that chemicals can cause: cancer - a disease characterized by , history of cancer in humans uncontrollably , ultimately . 1775 - first discovered soot from chimneys cause scrotum cancer b: suspected carcinogens: pipe smoking, coal tar, dye, x-rays, tobacco juices, radioactive watch dial dyes, sunlight, tobacco smoking, asbestos, cadmium. That : causes of human cancer deaths, tobacco, alcohol, diet, reproductive/sexual behavior, occupation, food additives, pollution, industrial products, sunlight, u(-light, medicines/medical procedures i, cancer - a disease of genetics. In them: dna codes for proteins, that set up structure of body b. Secondary/pre-carcinogen : sometimes bodily processes can convert these into the actual carcinogens. Liver can still take this carcinogen and destroy it (cid:840)all within 24 hours(cid:841) c: tumor formation . In 24 hours: can go through steps 2nd carcinogen 1st carcinogen altered dna. As this is happening, the immune system is trying to fight cells and trying to destroy cancer cells.
