FOOD vs MAN

摘要

FOR those of us who would like to shed a few pounds, dietary advice usually boils down to brute arithmetic. Reduce energy input by eating less, and increase energy output by exercising more. Simple. Except that as anyone who has tried it knows, it isn't. One reason is that our evolutionary history has given us a powerful drive to eat rich foods when they are available. Now that they are virtually ubiquitous, resisting temptation can be an endless losing battle.