But if you don't drastically increase your calories to build that new mass, then you will not increase your body size. (liftingrevolution.com)
(A-D) Overexpressing GBP1 or GBP2 increases body size in wild - type females and males (A and B, respectively) at 25 °C or 22 °C (C and D, respectively). (journals.plos.org)
Recently discovered remains suggest these species swam against the tide of increasing body size through time. (sciencedaily.com)