Protect your respiratory system in not smoking cigarettes.

do not smoke!avoid secondhand smokeavoid exposure to air pollutiondo not contribute to air pollutionmaintain clean, dust-free surroundingsget regular exercisedo respiratory therapyget extra medication and a healthy dietavoid smoking and drinking alcohol check blood pressure regularlytake enough resteat balance diet    [Eat healthy foods. They will keep your circulatory system healthy. Iron-rich foods like beans, whole-grain breads and cereals, red meat, & green vegetables are good for your blood. Try to avoid fatty foods, especially fried foods and foods that contain a type of fat called trans fat.]avoid unnecessary tension and worriesexercise regularly    [make sure that you are getting plenty of exercise. When you exercise, you heart beats faster. This makes your heart stronger.Exercise also helps to keep your blood vessels working properly.]