This four paper series explores how the coexistence of over nutrition (overweight and obesity) and undernutrition (stunting and wasting) is affecting low- and middle-income countries (LMIC). Malnutrition in its many forms has previously been understood and approached as a separate public health issue, but the new emergent reality is that undernutrition and overnutrition are interconnected. In addition to policy recommendations, the series includes a focus on both historical and biological contexts, and new economic analysis. »