People are always looking for the best and quickest way to get rid of body fat. Body type, age, fitness, medications and dieting history affect how fast an individual can lose weight, says personal fitness expert Rita Bryan in the Jewish Exponent. In this column, Ryan dispels four common dieting myths: 1. Dieting burns fat, 2. Fat-free means calorie-free, 3. Lots of aerobic exercise burns fat, and 4. Increasing a muscle activity decreases fat in that area.