When some women start working out, they sometimes gain weight. For most of these women, this is a problem, especially since they believe that exercise will help them lose weight. Well, the truth is exercising builds muscle, and muscle weighs more than fat. Besides, exercise is only 20% of weight loss. To truly lose weight, dieters must focus on diet and lifestyle changes. Plant-strong diets that limit sugar, fat, oils, and meats. Nonetheless, exercise is important. Read more about weight gain and exercise here.