|Homo erectus skulls. From the hard drive.|
This apparently did not apply to most of your ancestors.
James Cole / Nature:
Assessing the calorific significance of episodes of human cannibalism in the Palaeolithic — Abstract — Episodes of Palaeolithic cannibalism have frequently been defined as ‘nutritional’ in nature, but with little empirical evidence to assess their dietary significance.Discussion:
The Conversation / Raw Story: Our ancestors were cannibals - and probably not because they needed the caloriesSputnik International: Stone Age Cannibals Got No Nutritional Value From Eating Humans, Study ClaimsBryson Masse / Motherboard: Our Ancestors Engaged in Cannibalism For Fun and Profit, Not Just For CaloriesNicholas St. Fleur / New York Times: Ancient Cannibals Didn't Eat Just for the Calories, Study SuggestsAlessandra Potenza / The Verge: How many calories is that human? A nutritional guide for prehistoric cannibalsGeorge Dvorsky / Gizmodo: Ancient Humans Didn't Turn to Cannibalism For the Calories