A distinction can be made between proximal ageing (age-based effects that come about because of factors in the recent past) and distal ageing (age-based differences that can be traced back to a cause early in person's life, such as childhood poliomyelitis).
physiologic. pertaining to physiology; normal; not pathologic. physiologic saline solution (physiologic salt solution) (physiologic sodium chloride solution) a 0.9 per cent solution of sodium chloride and water; it is isotonic, i.e., of the same osmotic pressure as blood serum. It is sometimes given intravenously to replace lost sodium and chloride.
The etymology of the term bibliotherapy (biblio-is the Greek word for books and, therapy comes from therapeia, meaning to help medically) aligns bibliotherapy together with some other similar practices, such as art therapy, dance therapy, music therapy, play therapy, etc. bibliotherapy session is a read-aloud session: a facilitator reads a selection of literary materials that correspond with a particular issue that an individual or a group have to address through the session. The reading is followed by a guided group discussion.