Maintaining cholesterol levels is key to reducing heart disease and stroke. A healthy level of cholesterol aids in good blood flow, preserves arteries and helps ensure long-term cardiovascular health. Maintaining cholesterol levels is key to reducing heart disease and stroke. A healthy level of cholesterol aids in good blood flow, preserves arteries and helps ensure long-term cardiovascular health. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle