Fad diets may tell you otherwise, but eating a low-fat, high-carb diet won't make you gain weight.

In fact, women actually lost a little weight when they consistently ate few fats and lots of fruits, vegetables, and grains. The finding is yet another gem mined from the huge Women's Health Initiative study.

Barbara Howard, PhD, of MedStar Research Institute in Washington, and colleagues signed up nearly 50,000 postmenopausal women aged 50-79 for the WHI Dietary Modification Trial. The majority of the women were overweight or obese and were eating diets that got 39% of calories from fat.

Read more on study findings related to a high carb low fat diet at http://www.webmd.com/content/article/116/112341.