Here's a pretty good paper on the effects of a hi-protein/lo carb approach to lowering cholesterol (and blood sugar levels)
**http://www.proteinpower.com/drmike/wp-content/uploads/2008/09/pp-diet-in-an-aviator-av-spc-envir-med-2001.pdf
As always, remove the asterisks before you link.
Best,
Brooks