DEFINITION: "Hygiene is properly defined as that branch of biology which designates the conditions upon which health depends and the means by which it may be sustained in all its virtue and purity while we have it, and the means upon which its restoration rests when we have lost it. --- It is the scientific application of the principles of nature in the preservation and restoration of health."
"Hygienic means health preserving. Practically, it implies the observance of the laws of life." H. Shelton, 1968, ch.10
Would you like to comment?
Join Diigo for a free account, or sign in if you are already a member.