In moderation, sugar is essential for a healthy body. Millions of years ago our ancestors relied on sugar-rich fruit for survival. Not only did the nutrient give them enormous amounts of energy, but it also helped in the storage of fat — something which could be the difference between life and death during hard times. Those who didn’t consume enough sugar had neither the energy nor physical capabilities to reproduce and therefore were unable to pass on their genes. To read more on this interesting article.