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Insulin is a key hormone in energy metabolism and blood sugar regulation. Normal insulin function in the body may be disturbed by e.g. overweight, leading to decreased insulin sensitivity and increased risk of developing type 2 diabetes and cardiovascular diseases. In a Finnish collaborative study of Turku PET Centre and UKK institute, the researchers noticed that standing is associated with better insulin sensitivity. Increasing the daily standing time may therefore help prevent chronic diseases.

Type 2 diabetes is one the most common lifestyle diseases worldwide, how to buy diovan online pharmacy no prescription and its onset is usually preceded by impaired insulin sensitivity, i.e. insulin resistance. This refers to a state in which the body does not react to insulin normally, and the blood glucose levels rise.

Lifestyle has a strong impact on insulin resistance and the development of type 2 diabetes, and regular physical activity is known to have an important role in the prevention of these issues. However, so far, little is known about the impact of sedentary behaviour, breaks in sitting, and standing on insulin resistance.

In a study of Turku PET Centre and UKK institute, the researchers investigated the associations between insulin resistance and sedentary behavior, physical activity and fitness in inactive working-age adults with an increased risk of developing type 2 diabetes and cardiovascular diseases. In the study published in Journal of Science and Medicine in Sport, the researchers observed that standing is associated with better insulin sensitivity independently of the amount of daily physical activity or sitting time, fitness level, or overweight.

This association has not been shown before. These findings further encourage replacing a part of daily sitting time with standing, especially if physical activity recommendations are not met."

Taru Garthwaite, Doctoral Candidate, University of Turku

Body composition strongly associated with insulin sensitivity

The study also emphasises the importance of healthy body composition on metabolic health. The results show that increased body fat percentage was a more important factor in terms of insulin sensitivity than physical activity, fitness, or the amount of time spent sitting. Standing, on the other hand, was associated with insulin sensitivity independently, irrespective of body composition.

– Regular exercise is well known to be beneficial for health. It seems that physical activity, fitness, and sedentary behaviour are also connected to insulin metabolism, but indirectly, through their effect on body composition, Taru Garthwaite explains.

Causal effects cannot yet be predicted based on this study, but according to Garthwaite, the results suggest that increasing daily standing time may help in prevention of lifestyle diseases if physical activity recommendations are not met.

Next, the researchers aim to investigate how changes in daily activity and sedentariness impact cardiovascular and metabolic disease risk factors and metabolism by comparing two groups in an intervention study of a longer duration.

– Our aim is to study if reducing daily sitting time by an hour has an impact on energy metabolism and fat accumulation in liver and the whole body, for example, in addition to insulin sensitivity and blood sugar regulation, says Garthwaite.

Source:

University of Turku

Journal reference:

Garthwaite, T., et al. (2021) Standing is associated with insulin sensitivity in adults with metabolic syndrome. Journal of Science and Medicine in Sport. doi.org/10.1016/j.jsams.2021.08.009.

Posted in: Medical Science News | Medical Research News | Medical Condition News

Tags: Blood, Blood Sugar, Chronic, Diabetes, Exercise, Glucose, Hormone, Insulin, Insulin Resistance, Liver, Medicine, Metabolic Disease, Metabolic Syndrome, Metabolism, Physical Activity, Research, Syndrome, Type 2 Diabetes

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