To the editor: Re: Poehlman ET, Goran MJ, Gardner AW, Ades PA, Arcerio PJ, Katzman-Rooks SN, Montgomery SM, Toth MJ, and Sutherland PT. Determinants of decline in resting metabolic rate in aging females. Am J Physiol Endocrinol Metab 264: E450–E455, 1993. In the referenced paper, we reported cross-sectional changes in a number of physiological and metabolic markers in a cohort of 183 women aged...