Support WBURGut Microbes May Play Deadly Role In MalnutritionPlay04:08Download AudioDan CharlesJanuary 30, 2013 ShareResearchers followed 300 sets of twins in Malawi for the first three years of their life. In many cases, only one twin developed severe malnutrition, while the other remained healthier. (Photograph courtesy of Tanya Yatsunenko)
