Final answer:
Dietary guidelines aid in achieving proper nutrition by recommending daily food types and quantities, focusing on balance, adequacy, calorie control, moderation, and variety to maintain a healthy diet.
Step-by-step explanation:
Dietary guidelines help people get proper nutrition by suggesting the types and quantities of food that people should eat each day. These guidelines offer evidence-based recommendations essential for maintaining a balance between calorie intake and physical activity for weight management.
The key aspects of a healthful diet include adequacy, ensuring sufficient amounts of essential nutrients, balance among different nutrients calorie control to match energy expenditure, moderation to avoid excess or deficiency and variety to gain a wide range of nutrients.