In this view, at least some of our vulnerability to depression evolved out of a behaviour that promoted survival in the face of infection. (faith.org.uk)
A more simple description of the experience, without regard for how that experience has been expressed, promotes the survival dynamic by not limiting the possible expressions of that experience. (religion-online.org)
Brain - derived neurotrophic factor promotes the survival of neurons arising from the adult rat forebrain subependymal zone. (jneurosci.org)