In a 2007 analysis it was shown that, when modern statistical methods for correcting for the effects of body size and phylogeny are employed, metabolic rate does not correlate with longevity in mammals or birds.
Nunha análise feita en 2007 atopouse que, cando se empregan métodos estatísticos modernos para corrixir os efectos do tamaño corporal e a filoxenia, a taxa metabólica non se correlaciona coa lonxevidade en mamíferos ou aves.