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Iron
Sept 9
Primates
• Primarily vegetarians
• Big-game hunting originated with Homo Sapiens
• Evidence of extinctions caused by earlier hominids?
Aggression
• Why are humans so aggressive?
• Why did we start hunting?
Bipedalism
• Savanna Theory– Needed free hands for carrying food– Needed free hands for carrying weapons– The need to run on the savanna– Improved vision– Regulation of body temperature– Defensive measure
• Aquatic Ape Theory– 1920 – Alister Hardy– Humans diverged from the primate line by wading out into
the water and staying there for several millions years
The Evo Diet
• Called Evo Diet because theoretically these were the foods we evolved to eat
• 9 individuals with extremely high blood pressure
Giessen Raw Food Study
• 513 raw foodists, ate 70-100% raw food
• Raw food included uncooked vegetables, occasionally meat, cold-pressed oils, honey, and dried fruits, meats, and fish.
• Chronic energy deficiency
• The more raw food women ate, the lower their BMI and the more likely they were to have partial or total amenorrhea
Reduced Reproductive Function
• Raw foodists, anorexics, and marathoners report problems conceiving
• Westra’s How to Do the Raw Food Diet with Joy for Awesome Health and Success: seminal emissions and menstruation meant to remove toxins from the body
Reasons for Raw Food
• Theory: When foods are cooked they might lose their living or active enzymes
• Truth: Enzymes are cooked in our guts anyways
• Instictotherapists – minority group among raw foodists – we are so closely related to apes, we should eat like them
What Happened?
• Our ancestors utilized bush meat, raw fruits and vegetables and other natural products. Why cant we?
• The genetic coding for a well-adapted digestive system could have been lost by chance
• We have small digestive systems relative to other apes, but this allows us to process cooked food proficiently