GEO 509 Lecture Notes - Lecture 9: Olive Oil, Rachis, Paleolithic Diet
9 Dec 2014
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-> human diet has changed however humans have not physically changed (genetically) since before the agricultural revolution. -> changed in the way we metabolize alcohol, culture that is sedentary can drink more, consume more liquid-take longer to get drunk. -> ability to absorb lactose; appear in sedentary population (european and african) ireland consume most milk, china consumes little to none amount of milk- not part of the diet. 35% of population can digest and metabolize lactose. -> ancestor created surplus so not everyone had to participate in farming- establishment of economy and city. -> growth of city lead to growth of infectious diseases; hand in hand with intimacy of animals (domesticating them) -> now more common type of killers are cancer and cardiac problems. -> smallpox; first case 1500 years ago on egyptian mummies- moves from animals (cowpox) -> mumps 400bc; leprosy 200bc; polio 1840"s; aids. -> until wwii more people died of microbes then from wounds (not on exam)
