What should Doug do to ensure he gets all necessary nutrients?

To ensure he gets all necessary nutrients, Doug should eat foods from each part of the MyPyramid plan. This approach emphasizes a balanced diet that includes a variety of food groups, such as grains, vegetables, fruits, protein, and dairy. Each group provides unique essential nutrients necessary for overall health. For instance, grains offer carbohydrates and fiber, fruits and vegetables provide vitamins, minerals, and antioxidants, proteins are crucial for muscle repair and immune function, and dairy contributes calcium and vitamin D. By incorporating a wide array of foods from each section, Doug can meet his nutritional needs effectively.

Focusing solely on protein-rich foods, eating only whole grains, or limiting fruits and vegetables would not provide the full spectrum of nutrients required for good health. A one-dimensional diet can lead to deficiencies and health issues over time. Therefore, the comprehensive approach of consuming a variety of foods from all components of the MyPyramid is vital for optimal nutrient intake.