Well, Angels don't tread, do they? They fly! This gorgeous angel has come from the Advent Calendar produced for 1996 by the Mission of St Clare.
The Mission produce the Anglican Daily Office page. http://www.cruzio.com/~djj/stclare/top.html

All the articles in one file
or still here as eight separate pages. (29th August 1999)

One - May 1996: Dichotomies
The Brain and the Mind: Healing and curing
 

Two - June 1996  Smoking and Parkinson's Disease
some bits on neurotransmitters
 

Three - July 1996: Star Trek
Thinking (logic) and feeling
 

Four - August 1996: Superman
Repairing the spinal cord and demyelinated fibres
(with new links)

Five -  September 1996
short term memory and serotonin
 

Six - October 1996: Drinking Gin
New genetics research on MS
(with new links)
 

Seven - November 1996: Keeping your cool
The Autonomic System
 

Eight  - February 1997: Mavericks:
Are demyelination and auto immunity epi-phenomena of MS?
 

 I use Medline a lot. It is available free at the Pub Med site.