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A well-rounded fitness program improves a person in all aspects of fitness compared to practicing only one, such as only cardio/respiratory or only weight training. Regular exercise can help you control your weight, reduce your risk of heart disease and certain cancers, and strengthen your bones and muscles. But if you haven't exercised for some time and you have health concerns, you may want to talk to your doctor before starting a new fitness routine. Starting a fitness program may be one of the best things you can do for your health. For instance, people with a high muscle ratio might weigh more than those with the same height and waist circumference who have less muscle. Body composition measures the relative amounts of muscle, bone, water, and fat an individual has. They are whitish, as they do not require blood to function. Through regular physical fitness, it becomes easier to create a rise in blood pressure. This lowers the force on the arteries, and lowers the overall