It's a fairly popular diet plan . . . I would have imagined that it is explained in the Stickies at the top of the forum page. . . . If not, I hope someone comes along to help you . . . afraid I don't have the in-depth answers.
__________________
And here we go for 2009 . . . Onward and Downward . . .
Posts by members, moderators and admins are not considered medical advice and no guarantee is made against accuracy.