The document discusses the dangers of heart disease and suggests a simple preventative measure. Heart disease is the number one killer of executives due to stress, smoking, poor diet and lack of exercise. It recommends a simple solution - going for a 20 minute brisk walk every day, which studies have shown reduces stress, cholesterol and blood pressure while strengthening the heart and muscles. Regular walking is a cheap, effective and safe form of exercise that anyone can build into their daily routine.