Indeed, not only is this only looking at the very broad end results of what is seen to co-vary with age in a regular way completely agnostic to mechanism, it is looking only at gene expression in peripheral blood, one very highly specialized (to the point of being a liquid) tissue type.
Indeed, not only is this only looking at the very broad end results of what is seen to co-vary with age in a regular way completely agnostic to mechanism, it is looking only at gene expression in peripheral blood, one very highly specialized (to the point of being a liquid) tissue type.