Saturday, June 2, 2012

Need another reason to work out? OBESITY AND LIFE EXPECTANCY

http://www.ncbi.nlm.nih.gov/pubmed/22655173


J Obes. 2012;2012:107989. Epub 2012 May 13.

Obesity and trends in life expectancy.

Source

Department of Epidemiology and Preventive Medicine, Monash University, The Alfred Centre, 99 Commercial Road, Melbourne, VIC 3004, Australia.

Abstract

Background. 
Increasing levels of obesity over recent decades have been expected to lead to an epidemic of diabetes and a subsequent reduction in life expectancy, but instead all-cause and cardiovascular-specific mortality rates have decreased steadily in most developed countries and life expectancy has increased. 

Methods. 
This paper suggests several factors that may be masking the effects of obesity on life expectancy. 

Results.
It is possible that health and life expectancy gains could be even greater if it was not for the increasing prevalence of extreme obesity. It is also possible that the principal impact ofobesity is on disability-free life expectancy rather than on life expectancy itself. 

Conclusion. 
If the principal impact of obesity were through disability-free life expectancy rather than on life expectancy itself, this would have substantial implications for the health of individuals and the future burden on the health care system.

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