Is Margarine a Healthy Food?
Dr. Oz introduces the history of margarine but is it okay to eat it again? Find out! Plus, Dr. Aaron Carroll explains why margarine became a problem and Kellyann Petrucci reveals the difference between butter, margarine, and buttery spreads.
Guests: Kellyann Petrucci , Dr. Aaron Carroll , Dr. Robert Arnot , Dr. Pina LoGiudice