Evolutionary Link To Modern-day Obesity, Other Problems
Monday, February 16, 2009 - 10:21
in Health & Medicine
That irresistible urge for a cheeseburger has its roots in dramatic environmental changes that occurred some 2 million years ago. Higher quality, nutritionally dense diets became necessary to fuel high-energy demands of humans' exceptionally large brains and for developing the first rudimentary hunting and gathering economy. Today, the imbalance between energy intake and energy expenditure is the root cause of obesity in the industrialized world, according to some anthropologists.