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Chew on This Investment Strategy

Two-thirds of people in the U.S. are overweight and half of them are obese, Cramer said Tuesday. To become more healthy, more and more people are eating the right foods, or at least foods are are a little better for them.

Healthy eating is a massive long-term theme that can deliver year-after-year, Cramer said. To play it, he recommends companies that can deliver high-quality food that's both delicious and healthy, like Whole Foods , Celestial , Panera Bread and Chipotle . He thinks these four stocks could make terrific buys, but only on weakness. In other words, wait for a pullback before buying shares.

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