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Now Playing What Is Counterfeit Food?
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What Is Counterfeit Food?

Caroline Smith DeWaal, director of food safety at the Center for Science in the Public Interest, talks with Dr. Oz about food fraud and the different ways companies trick consumers.

Now Playing How to Tell the Difference Between Wild and Farmed Shrimp
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How to Tell the Difference Between Wild and Farmed Shrimp

Dr. Oz and Dr. Warner discuss how farmed shrimp have a fake pink coloring and may contain high doses of antibiotics and chemical coatings.

Now Playing How to Know if You’re Eating Counterfeit Greek Yogurt
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How to Know if You’re Eating Counterfeit Greek Yogurt

Dr. Oz explains that the yogurt you buy should contain milk and live cultures as the main ingredients.

Now Playing Why You Should Only Buy Bright Yellow Turmeric Powder
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Why You Should Only Buy Bright Yellow Turmeric Powder

Dr. Oz explains that memory loss, abdominal pain and developmental problems in children are some of the symptoms of exposure to lead in spices.

Now Playing Oz Five: Amy Purdy
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Oz Five: Amy Purdy

Amy Purdy explains how she channels her nerves into positive energy. Plus, find out why she believes her spirit animal is a lion!

Now Playing Dr. Oz Shows How Knees Work
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Dr. Oz Shows How Knees Work

Dr. Oz explains what a healthy knee should look like and compares it to an osteoarthritic knee.

Now Playing Reduce Joint Pain With Omega-3s
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Reduce Joint Pain With Omega-3s

Dr. Oz explains that you can reverse inflammation by avoiding sugary foods and adding tofu, chia seeds, salmon and walnuts to your diet.

Now Playing Dr. Oz Shows You How to Do a Chair Stand
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Dr. Oz Shows You How to Do a Chair Stand

Strengthen your knees with this gentle joint exercise.

Now Playing Everyday Foods in Your Supermarket That Are Fake
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Everyday Foods in Your Supermarket That Are Fake

Dr. Oz tells you if you’re being scammed and how to make sure you’re getting the real deal. Plus, fun memory boosters you can use every day to keep you sharp.

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Dr. Oz Shows How Knees Work
Originally aired on 1/22/2015

Dr. Oz explains what a healthy knee should look like and compares it to an osteoarthritic knee.

Guests: Caroline Smith Dewaal , Dr. Kimberly Warner , Amy Purdy , Harry Josh

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