Keep walking.
Inda
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http://www.mayoclinic.com/health/walking/HQ01612
Benefits of walking
Walking, like other exercise, can help you achieve a number of important health benefits. Walking can help you:
Lower low-density lipoprotein (LDL) cholesterol (the "bad" cholesterol) Raise high-density lipoprotein (HDL) cholesterol (the "good" cholesterol) Lower your blood pressure Reduce your risk of or manage type 2 diabetes Manage your weight Improve your mood Stay strong and fit All it takes to reap these benefits is a routine of brisk walking. It doesn't get much simpler than that. And you can forget the "no pain, no gain" talk. Research shows that regular, brisk walking can reduce the risk of heart attack by the same amount as more vigorous exercise, such as jogging.