Anesthesia

Research results from J.L. Downs and colleagues update understanding of aging

Published in Cardiovascular Device Liability Week, October 26th, 2008

"Dietary caloric restriction (CR) slows aging, extends lifespan, and reduces the occurrence of age-related diseases in short-lived species. However, it is unclear whether CR can exert similar beneficial effects in long-lived species, like primates," researchers in the United States report.

"Our objective was to determine if CR could attenuate purported age-related changes in the 24-h release of adrenal steroids. To this end, we examined 24-h plasma profiles of cortisol, and dehydroepiandrosterone sulfate (DHEAS) in young and old, mate and female rhesus macaques (Macaca mulatta) subjected to either ad libitum (AL)-feeding or CR (70% of AL) for 2-4 years. Hormone profiles...

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Source: Cardiovascular Device Liability Week (2008-10-26)

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