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Just adding a few hours of exercise each week cuts the risk of developing a pre-diabetic condition known as insulin resistance syndrome, even if they don’t lose weight.
As the population is eating more and exercising less, increasing numbers of adults and children are developing the syndrome, which results when a person loses the ability to use insulin effectively.
The syndrome can develop into type 2 diabetes and increase the risk of heart disease if left untreated.
To investigate whether physical activity influences the risk of insulin resistance syndrome, researchers followed 18 sedentary men and women for six months. Participants exercised by walking for 30 minutes between three and seven days a week and were told not to change their diets or body weights.
At the end of the study, researchers examined insulin sensitivity and levels of blood fats, such as cholesterol.
It was found that exercise with no weight loss increased insulin sensitivity.
According to researchers, even modest amounts of exercise, without weight loss or loss of abdominal fat, can improve indicators of glucose and fat metabolism among inactive, middle-aged adults, a group that is particularly at risk for developing type 2 diabetes.
Diabetes Care March 26, 2003;26:557-562
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DID YOU KNOW: New European Guidelines for managing hypertension?
Blood pressure in patients with diabetes should be lowered to <130/80mmHg, and evidence of microalbuminuria in patients with type 1 and type 2 diabetes is an indication for antihypertensive treatment, according to recently published guidelines by the European Society of Hypertension and the European Society of Cardiology. Journal of Hypertension 2003;21:1011-53