J Clin Endocrinol Metab 2009 Oct 14;94(10):3833-41. Epub 2009 Jul 14.
Endocrine Section, Laboratory of Clinical Investigation, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, USA.
Context: With aging, GH, IGF-I, and sex steroid concentrations and glucose tolerance decrease, and body fat and serum lipids increase.
Objective: The aim of the study was to assess GH and/or sex steroid administration effects on serum glucose, insulin, insulin sensitivity, and lipids in older individuals.
Design: A double-masked, 2 x 2 factorial, placebo-controlled, double-dummy design was used for the study. Read More