See Dr./not have to.: Exercise can reduce the risk of heart disease but you do not have to do it every day. Your heart works better, and your blood vessels and lungs are more used to exerting extra effort. Just walking can help greatly. It also improves blood pressure, another serious issue that can result in heart disease, as well as stroke.. See your doctor to be sure of how much you can/should do.
Answered 6/10/2012
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