80 percent of people who lose weight gain it right back. Here’s what the other 20 percent know.
By Samantha Dunn
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Beware Big Food!
"We are portion-control challenged in this country, says Susan Buckley, a registered dietitian who has lost 70 pounds. Be guided by the number of serving sizes listed on a package. (A Coke has 100 calories per eight-ounce serving, but a 20-ounce bottle contains two and a half servings, or 250 calories; a snack-size bag of 150-calorie-per-serving Cheez Doodles is, believe it or not, two servings.)