Health and fitness series--1. The importance of physical activity for health.

Physical inactivity is recognised as a significant, common and preventable risk factor for heart disease, obesity, type II diabetes and osteoporosis. Regular physical activity helps avoid weight gain and plays a part in increasing wellbeing by reducing stress, anxiety and feelings of depression. The author outlines some of the specific health effects of exercise and explains the significance of diet, especially carbohydrates. The article includes some practical health education tips.