About this Book

During evolution, mankind has gone through alternating periods of famine/abundances, determined by seasons and environmental conditions changes, with consequent modifications in the metabolism efficiency. Adaptability and adjustment to these changes have helped us to survive as a species. Currently, in developed countries radical diet fluctuations are extremely rare, and, in this sense, human metabolism is largely "unchallenged". It is hard to assess whether or not this represents a favorable aspect.