2016c-569 2017e-035 aged agefactorsindisease aging animals animaux arcticregions bioethicalissues botany climatechange climaticchanges degeneration(pathology) disease ethics geriatrics gerontology healthandhygiene healthservicesfortheaged homeostasis kk5780 longevity longévité mentalhealth methods moralandethicalaspects neuroendocrinology neurosecretorysystems olderpeople personalautonomy physicalfitness physiological physiologicalaspects physiology physiopathology plantes plants populationdynamics prevention psychological psychology qualityoflife resilience retirement socialchange socialsupport socioeconomicfactors sociology stress stressinoldage trends vegetation vieillissement