About 40 percent of children under 5 in sub-Saharan Africa are stunted, or short for their age, a result of problems such as chronically poor nutrition, inadequate maternal and child care, and repeated bouts of infectious disease. A new study has found that a broad effort to address the problem -- like that used by the Millennium Villages Project -- that includes improved farming techniques and diet, better access to health care, disease control and other services may help reduce the problem. In this video, the researchers explain their work. http://www.earth.columbia.edu/videos/watch/365moreless
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