Physical activity and exercise are important for heart health. Sedentary lifestyles that involve little physical activity can increase risks for diseases like cardiovascular disease. The document discusses how urbanization and technology have reduced physical activity in daily life. It provides epidemiological data on increasing rates of obesity and overweight individuals in India due to changing lifestyles. The document outlines the importance of diet, exercise, avoiding smoking and maintaining a healthy lifestyle to prevent lifestyle diseases and advocates a multidisciplinary approach to address health risks.