MCELLBI C44 Lecture Notes - Lecture 21: Relay Race, Nosebleed, Janet Rowley
27 Apr 2017
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Most common cancers in us are prostate (men) and breast (women) Some are really incurable: survival rate of pancreatic cancer is about 3% Cancer is a disease of dna: caused by mutations. Smoking tobacco damages dna in your lungs, causes cancer. Not due to nicotine, but to other components of tobacco. Drug (nicotine) enters brain, binds to protein on surface of neurons that lie of pleasure areas of the brain. When you stop smoking you crave that feeling. Vaping nicotine with e-cigarettes are 95% less harmful than smoking tobacco. In us, they say it"s a gateway drug to smoking tobacco so are concerned. Epidemiology showed that pale skin, eyes and hair show higher chance of melanoma. Theodor boveri founding father of cancer & genetics. Made a hybrid between 2 different sea urchin species: removed nucleus of sea urchin egg by agitation, fertilise this cytoplasm only egg with sperm, to his surprise, got a larva but a much smaller one.
