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Cash vs. Credit: Which One Makes You Gain Weight?

Originally aired on 10/08/2015

Dr. Oz gives people $20 cash and others a credit card for lunch to find out who spends more.

Guests: Chris Cuomo , Michaela Pereira , Alisyn Camerota , Rosanna Scotto , Greg Kelly , Dr. Michael Breus , Lauren Greutman , Lynette Khalafani-Cox