This article is from the Fat-free Diet FAQ, by artemis@rahul.net (Michelle Dick) with numerous contributions by others.
VLF diet: usually refers to a diet of 15%CFF or less and often
10%CFF or less.
Pritikin diet: diet advocated by Nathan Pritikin starting in the
70's. Less than 10%CFF, non-vegetarian, sugar-restricted.
Ornish diet: diet promoted by Dean Ornish. Ovo-lacto vegetarian,
10%CFF or less.
McDougall diet: diet promoted by John McDougall. Vegan diet,
usually containing 10%CFF or less.
Vegetarian diet: diet that excludes all animal flesh, all chicken,
all fish and seafood. May or may not include eggs, milk products,
and honey. Not necessarily low in fat.
Ovo-Lacto vegetarian diet: vegetarian diet including eggs (ovo) and
dairy (lacto). One sometimes also hears the terms ovo-vegetarian
and lacto-vegetarian.
Vegan diet: vegetarian diet that also excludes all egg and milk
products and usually excludes honey. Not necessarily low in fat.
Entenman's diet: derisive term for a diet consisting of large
amounts of "fat free" sugar foods such as Entenman's fatfree baked
goods.
 
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