Which of the following is a common myth about dieting?

One common myth about dieting is that eating starchy foods will make you gain weight. This misconception arises from a misunderstanding of how carbohydrates are processed in the body. Starchy foods, like whole grains, legumes, and vegetables, provide essential nutrients and energy. Weight gain is more accurately attributed to the overall balance of calories consumed versus calories burned, rather than the consumption of specific types of food.

The idea that you can lose a lot of weight just by exercising also contributes to dieting myths. While exercise is important for overall health and can aid in weight loss, diet plays a significant role in managing body weight. Without attention to nutrition, relying solely on exercise may not yield significant weight loss results.

Caffeine's effect on blood sugar levels is also misrepresented in common dietary discussions. While caffeine can influence metabolism and energy levels, its impact on blood sugar differs from person to person, and it does not consistently lead to significant drops in blood sugar levels.

Given that all three statements represent misunderstandings about dieting practices, the answer indicating that all of the options are myths captures the essence of misinformation surrounding diet and weight management, thereby reinforcing the need for a balanced and informed approach to nutrition.