Companies Developing New Digital Health Improvement Programs that Include Incentives through Walgreens Balance Rewards for Healthy Choices™ NEW YORK and DEERFIELD, IL, 2014-10-3— /EPR Retail News/ — WebMD Health Corp. (NASDAQ: WBMD) and Walgreen Co. (NYSE: WAG) (NASDAQ: WAG) are partnering to improve health and wellness in America by helping and incenting consumers to make healthier choices…