Insulin resistance and pre-diabetes
Both insulin resistance and pre-diabetes, typically have no symptoms. So a person may be unaware if he has either or both conditions. If a person tests positive to pre-diabetes or metabolic syndrome in all likelihood s/he has insulin resistance.
Lifestyle interventions
By losing excess weight and being more physically active like walking for 30 minutes a day for at least 5 days a week, people with insulin resistance may show improvement, or at least delay development of further complications like type-2 diabetes. One study done in Finland showed that changes in diet and exercise reduced the development of diabetes by 58%.
A recent preliminary Italian study on 16 men and 13 women aged 18 to 66 years found that a diet rich in natural antioxidants improves insulin sensitivity in insulin-resistant obese adults and enhances the effect of the insulin-sensitizing drug metformin. Results were presented at The Endocrine Society's 92nd Annual Meeting in San Diego.
Elevated blood glucose and insulin levels are known to cause a lot of oxidative stress in the body by the release of free radicals. Antioxidant rich foods high in vitamins E and C, selenium and carotenoids, such as beta-carotene which are found naturally in fruits, vegetables, legumes and nuts are especially helpful in combating this stress.
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