[Editorial] Zero hunger (Science)

The United Nations (UN) designated 2014 as the International Year of Family Farming, recognizing that an estimated 500 million family farms, involving over 2 billion people, play a key role in food production and consumption worldwide. It is thus an opportune time to encourage a shift in tackling global hunger--from a `food security` focus to an agenda that promotes `nutrition security` instead. The drive to reduce hunger in the world has largely relied on crops such as wheat and rice that provide calories. But an increase in calories alone is not good enough. Improved diets and good health require bolstering nutrition. Author: M. S. Swaminathan