There is abundant evidence that good nutrition is imperative to overall physical health, supports disease prevention, and offers cognitive benefits too. But when it comes to our overall mental and emotional health or our sense of well-being, what specific outcomes can we expect from good nutrition? And what negative effects can we expect from inadequate nutrition? These questions are just a few of many being asked by the Food and Mood Project — an initiative led by the U.S. Department of Health and Human Services (HHS) and the U.S. Department of Agriculture (USDA) Food and Nutrition Service (FNS).