And in addition to the brilliant work of Hartmann, Daly, etc. there is the work of Michael Woolridge.  Pieces I have put together from,
I believe, the June 2001 archives.  Thank you to all who contributed these at the time.

Michael Woolridge reports -- the closer the intervals of breastfeeding, the HIGHER the fat content of the milk. Fat is what makes
babies feel satiated more than volume. (just try drinking a big glass of water vs. milk and see how satisfied you feel).  Michael
Woolridge has done extensive research on breastmilk. Nursing frequency and fat content are positively correlated -- the more
frequent the nursing, the higher the fat content of the milk.  ref: Michael Woolridge, "Baby-Controlled Breastfeeding: Biocultural
Implications" in the book, "Breastfeeding: Biocultural Perspectives",edited by Patricia Stuart-Macadam and Katherine A. Dettwyler,
published by Aldine de Gruyter, 1995.  Here is a piece on his sponge analogy from this reference, p. 238, footnote number 6.
"Hytten (1954) proposed and tested a physical model of milk storage and delivery.  He immersed a natural sponge in whole milk and
left it for some period, then gradually compressed milk from the sponge; the first milk draining off was low in fat, similar to foremilk,
and with progressive milk removal the fat concentration rose, finally approximating to hindmilk. The explanation he proposed was
that fat droplets, being adherent, became adsorbed onto the internal luminal walls of the sponge, and that sustained milk removal
was necessary to dislodge the adherent fat.  His physical model of storage and delivery duplicated the changes in fat concentration
during milk removal sufficiently closely that it has not been necessary to invoke further models..."

Cheryl

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