Dr. Oz talks to the New York Times reporter who infiltrated the food industry to make a bombshell discovery. Learn what the food industry creates in its lab to get you hooked – and why they don't want you to know!

View Part 1 of Salt, Sugar and Fat: The Real Reason You're Addicted to Junk Food.


View Part 2 of Salt, Sugar and Fat: The Real Reason You're Addicted to Junk Food.

View Part 4 of Salt, Sugar and Fat: The Real Reason You're Addicted to Junk Food.

Read more about how the food industry is fueling your junk-food addiction.

Fat Substitutes: Could They Be Leading to Your Weight Gain?

They're hiding in everything from low-fat cottage cheese to protein shakes.

Fat substitutes are compounds that resemble the chemical and physical properties of certain fats and oils and are often used to replace conventional fats (butter, oil) in baking and frying. They can help bring calorie counts down.

But fat substitutes are almost like secret ingredients that hide in plain sight, says Mark Schatzker, author of the upcoming book "The End of Craving: Recovering the Lost Wisdom of Eating Well."

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