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Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important

Date:
May 29, 2010
Source:
University of California - Los Angeles
Summary:
Sarcopenia -- low skeletal muscle mass and strength -- was associated with insulin resistance in both obese and non-obese individuals. It was also associated with high blood-sugar levels in obese people but not in thin people. These associations were stronger in people under age 60, in whom sarcopenia was associated with high levels of blood sugar in both obese and thin people, and with diabetes in obese individuals.

Sarcopenia -- low skeletal muscle mass and strength -- is often found in obese people and older adults; it has been hypothesized that sarcopenia puts individuals at risk for developing Type 2 diabetes.

To gauge the effect of sarcopenia on insulin resistance (the root cause of Type 2 diabetes) and blood glucose levels in both obese and non-obese people, UCLA researchers performed a cross-sectional analysis of data on 14,528 people from the National Health and Nutrition Examination Survey III.

They found that sarcopenia was associated with insulin resistance in both obese and non-obese individuals. It was also associated with high blood-sugar levels in obese people but not in thin people. These associations were stronger in people under age 60, in whom sarcopenia was associated with high levels of blood sugar in both obese and thin people, and with diabetes in obese individuals.

Dieting to be thin is on its own not enough to stave off diabetes. It is also important to be fit and, in particular, to have good muscle mass and strength, researchers say.

The study appears in the peer-reviewed journal PLoS ONE.


Story Source:

The above story is based on materials provided by University of California - Los Angeles. The original article was written by Enrique Rivero. Note: Materials may be edited for content and length.


Journal Reference:

  1. Preethi Srikanthan, Andrea L. Hevener, Arun S. Karlamangla. Sarcopenia Exacerbates Obesity-Associated Insulin Resistance and Dysglycemia: Findings from the National Health and Nutrition Examination Survey III. PLoS ONE, 2010; DOI: 10.1371/journal.pone.0010805

Cite This Page:

University of California - Los Angeles. "Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important." ScienceDaily. ScienceDaily, 29 May 2010. <www.sciencedaily.com/releases/2010/05/100527171001.htm>.
University of California - Los Angeles. (2010, May 29). Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2010/05/100527171001.htm
University of California - Los Angeles. "Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important." ScienceDaily. www.sciencedaily.com/releases/2010/05/100527171001.htm (accessed July 22, 2014).

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