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FOOD FARMING AND FAMINES

FOOD FARMING AND FAMINES - Exponential vs Linear Growth Po...

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Exponential vs. Linear Growth: Limited Resources & the Struggle for life Time 5 4 3 2 1 0 Population (Produced or Supported) 300 200 100 0 Population (exp) Food (linear)
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Food, Farming, Famines Adopt agriculture: Mesopotamia 10kya (cereals) Papua New Guinea 9 kya (banana & taro) Southeast Asia 8 kya (rice) China 8kya (millet) Central & S. America, 7 kya, (maize) Indus 6kya (, E Africa 5kya
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Prior to agriculture limited spectrum of infectious and parasitic diseases What are the social changes associated with the rise of agriculture? What are the health changes (positive and negative associated with the rise of agriculture?
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Residence in permanent, settled communities How related to health/disease? 1. Sanitation: Accumulation of human waste/refuse 2. Commensal animals: rodents, insects, etc. 3. Crowding: “lots of people living with domesticated animals and pests”
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Infectious diseases cross species 60% of all human disease is zoonotic in origin
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better at producing than distributing? poor health, Shorter (2-4 inches shorter) short lives (-7 yr LE) poor nutrition infectious disease
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Was it really so bad?
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