I once had a coworker who ate almost nothing besides soups and salads for lunch and dinner. Her breakfast was always a banana and yogurt. She never ate a donut or indulged in birthday cakes. I never once saw her eat a hamburger. Yet she always seemed to struggle somewhat with her weight. Then one day she discovered that the salad she’d occasionally order from Taco Bell had over 700 calories and more than 30 grams of fat!

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