The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) provides supplemental food, nutrition education (including breastfeeding promotion and support), and referrals to health care and other social services to low-income, nutritionally at-risk women, infants, and children up to 5 years of age. On average, over half of all infants in the United States, over a quarter of all pregnant and postpartum women, and over a quarter of all children less than 5 years of age participate in the program. The Healthy, Hunger-Free Kids Act of 2010, which authorized funds for WIC, is...