Tuesday, November 22, 2011

Burn Baby Burn!

Individuals with higher metabolisms may unfortunately have a higher mortality risk according to the Journal of Clinical Endocrinology & Metabolism (2011;96 {6}, E972). Out of 652 “healthy” Pima Indian volunteers (none of which had diabetes), 508 were tested for 24-hour energy expenditure, 384 were tested for resting metabolic rate and 240 were tested for both. During the study time frame (11.1 years) 27 of the subjects died from natural causes. 
On deeper examination of the data a link was found between higher 24-hour energy expenditure and resting metabolic rate. The authors of the study concluded that “higher metabolic rates predict early natural mortality. Therefore, an elevated energy turnover may accelerate ageing in humans.

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