"Old people are able to metabolize fat at the same rate as younger people, but their overall metabolic rate is lower, because they are unable to oxidize sugar at the same high rate as young people. Fat people have a similar selectively reduced ability to oxidize sugar." -Ray Peat
Resting...
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2657169/
Abstract
Growth hormone (GH) signaling influences longevity in mice, with decreased GH signaling associated with longer life span and increased GH signaling with shortened life span. A proposed mechanism through which GH signaling influences...
maybe if not taken with lot of carbs/sugar
http://www.ncbi.nlm.nih.gov/pubmed/16076989
http://www.ncbi.nlm.nih.gov/pubmed/10584049
http://www.ncbi.nlm.nih.gov/pubmed/19176733
http://www.ncbi.nlm.nih.gov/pubmed/16366740
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2621121