'The Hunger Fix' Helps Food Addicts Lose Weight

Juju Chang speaks to author of a guide to end food addiction in three steps.
3:00 | 10/04/12

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Transcript for 'The Hunger Fix' Helps Food Addicts Lose Weight
A lot of people who have been dieting may ask themselves are you addicted to food? Am I addicted to food? A new book called "the hunger fix," answers that question and helps solve the problem. Reporter: When it came to food, she was powerless. I would get wings, wolf fries with cheese and gravy. Reporter: At 22 and 316 pounds, she decided to go on "the biggest loser." Go. Reporter: She lost an astonishing 155 pounds. But soon, the weight came back. And she realized, she was a food addict. Dr. Pamela peak's new book, "the hunger fix," describes how food is like a drug. How could a cupcake have the same addictive qualities as cocaine? It's a combination of stachy, fatty, in the foods. You're se streeting lots of dopamine. And it's coming out and it's giving you a fantastic feeling of wow. This is wonderful. Reporter: For some people, the pleasure receptors turn off. For others, it keeps reacting, wanting more. But dr. Peeke says you can retrain your mound, using the THREE Ms. Mind, mouth, muscle. Step one, strengthen the mind. Medication can help reduce that urge to splurge. Step two, trick the mouth. Instead of a protein bar, try a protein smoothie. Step three, move your muscles. By working out, your brain is rewarded by endorphins, instead of empty calories. She is back in recovery. Working both her mind, and her body. For "good morning america," juju chang, abc news, new york.

This transcript has been automatically generated and may not be 100% accurate.

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