BIO 311D Lecture Notes - Lecture 15: Dynamic Equilibrium, Gastrointestinal Cancer
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Bio 311d, dr. donald levin, lecture #15, 22 february 2017 (all i(cid:373)ages are take(cid:374) fro(cid:373) dr. Le(cid:448)i(cid:374)"s le(cid:272)ture slides, (cid:449)hi(cid:272)h are a(cid:448)aila(cid:271)le o(cid:374) his (cid:449)e(cid:271)site http://www. sbs. utexas. edu/levin/bio311d/) Review of last week: population control in humans: disease, famine, things we do to kill ourselves: About 450,000 deaths per year; decreasing recently. Also about 450,000 deaths; but increasing recently: correlation between meat consumption and gastrointestinal cancer. Due to eating less fiber, meat being cured with nitrates, and meat being cooked over an open flame containing carcinogens: war. Over ideology, resources, physical differences, political reasons, etc. England and france about 3% death rate per century (from 17th to 20th century) World war i 17 million deaths. World war ii 60 million deaths. Proved to have devastating effects on human populations. But modern day mortality rate from war is actually lower than it was in early.
