Do you know what the proper portion sizes of food are? Often people don't know the answers to the question what are serving sizes that will help them maintain a healthy diet. Angela Lemond, RD, CSP, LD, also known as the "Mommy Dietitian" discusses with Healthy Steps, easy ways to make estimating proper portion sizes of food and portion control a daily habit as well as answer the question...What are serving sizes that encourage a healthy lifestyle?