Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the questions from 29 to 33.

A balanced diet is essential for maintaining overall health and well-being. It involves consuming a variety of foods from all food groups in appropriate proportions. This ensures that your body receives the necessary nutrients, vitamins, and minerals it needs to function optimally.

Fruits and vegetables are a cornerstone of a balanced diet, providing essential vitamins, minerals, and antioxidants. They help reduce the risk of chronic diseases such as heart disease, diabetes, and certain cancers. Including a variety of colorful produce in your diet ensures you get a range of nutrients.

Whole grains are another important component, rich in fiber, which aids digestion and helps regulate blood sugar levels. They also provide B vitamins, iron, and magnesium. Incorporating whole grains like brown rice, quinoa, oats, and whole wheat bread into meals can provide these benefits.

Protein is necessary for building and repairing tissues, supporting immune function, and hormone production. Lean sources of protein like poultry, fish, beans, and nuts should be included in a balanced diet to reduce intake of saturated fats and cholesterol.

Healthy fats, found in avocados, olive oil, nuts, and fatty fish, are crucial for brain function, hormone production, and maintaining healthy skin and hair. They should be consumed in moderation due to their calorie density.

Hydration is also vital for a balanced diet, as water is essential for digestion, nutrient absorption, and regulating body temperature. Aim for at least eight glasses of water per day, adjusting based on individual needs.

By prioritizing whole, nutrient-rich foods and staying mindful of portion sizes, you can support your health with a balanced diet.

What is the main topic of the passage?