This document discusses the importance of exercise for both physical and mental health. It notes that exercise can prevent diseases like cardiovascular disease, hypertension, obesity, and diabetes. It recommends that children should get at least 60 minutes of physical activity per day to develop healthy lifestyle habits and maintain a healthy weight. The document also defines key terms like cardiovascular health, aerobic exercise, and physical fitness. It provides examples of different types of physical activities, exercises, sports and how they differ. It aims to dispel common myths about exercise and encourage physical activity.