Here's another research item which links to the blood type diet. They were looking at
the fucosylated and non-fucosylated side chains on thyroid stimuating hormone.
(Remember fucose, the sugar on the type-O red blood cells?)
(another Joan has appeared who is a Type A)
Mol Cell Endocrinol 1997 Sep 19;132(1-2):185-194
Glycosylation variants of human TSH selectively activate signal transduction
Schaaf L, Leiprecht A, Saji M, Hubner U, Usadel KH, Kohn LD
Max-Planck-Institute of Psychiatry, Clinical Institute, Department of Neuroendocrinology, Munich, Germany.