What does it take to change the habits that dictate our every food decision? Kristy McCarron, who oversees all nutrition, culinary education and anti-hunger programs for the YMCA of Metropolitan Washington, promotes a Theory of Behavior Change that relies on consistent, repeated practice and intentional maintenance of new habits. She's joined in studio by Dr. Kofi Essel, a Children's National pediatrician and George Washington University professor who tackles the health disparities caused by a lack of consistent access to healthy food in the doctor's office and the classroom.