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Dr. Ian Smith talks intermittent fasting, latest book ‘Fast Burn!: The Power of Negative Energy Balance’ on ‘Banfield’

(Banfield) — He’s probably best known for hosting the Emmy-award-winning show The Doctors, but first and foremost Dr. Ian Smith is a physician.

The New York Times best-selling author joined Ashleigh Banfield Wednesday night to discuss intermittent fasting and his latest project — his 20th book titled Fast Burn!: The Power of Negative Energy Balance.

Watch a portion of the conversation between Ashleigh Banfield and Dr. Ian Smith in the player above.

Watch “Banfield” weeknights at 10/9c on NewsNation.