The problem is that most objects we want to know the volume of are not box shaped. If we are going to use cubic inches, feet, yards, or any other unit, we re going to have to find another way to measure their volume, and we ll do just that, a little later.
Getting enough protein isn't tough with a well-planned vegetarian diet, especially if you include eggs and dairy. It's when a vegetarian diet isn't planned at all that nutrition trouble can start. All too often people give up eating meat but end up eating more carbohydrates and snacks. Look for alternative sources of protein, including beans (kidney beans, chickpeas, lentils, etc.), nuts, soy, and low-fat dairy products.
What Do Vegans Eat? This is perhaps the most common question about veganism. A vegan diet includes all grains, beans, legumes, vegetables and fruits, and the nearly infinite number of foods made by combining them.