Nutrition provides nourishment that is essential for life, growth, and health. It involves consuming a balanced diet from the five food groups including cereals, pulses and meat, milk and dairy, fruits and vegetables, and sugars and fats. Maintaining good nutrition through balanced meals, staying active, managing stress, and sleeping well can help prevent obesity, diabetes, hypertension, and other leading causes of death by supporting overall health and well-being. The document outlines the various nutrients from different food groups and emphasizes the importance of balance and moderation.