This just came through on my Google Alerts. It is interesting that people
with this defect have a problem with casein.  We have a family history of
early birds who can't tolerate milk. I am the first to be diagnosed
medically with the casein problem though.

Early birds get the defective gene and struggle to cope ...
<http://news.scotsman.com/scitech.cfm?id=339422005>
Scotsman - UK
... They all carried a gene mutation that interferes with the normal
activity of the protein casein kinase I delta, thought to play a key role in
regulating the ...


Sherene in Norfolk