This article is from the Fat-free Diet FAQ, by artemis@rahul.net (Michelle Dick) with numerous contributions by others.
We need fat for two main reasons: to help absorb fat soluble
vitamins (such as vitamin A) and to supply two types of essential
fatty acids (EFAs) that our bodies need but cannot produce. A diet
with at least 10 grams of fat per day will result in normal vitamin
absorption (some recommend at least 5 grams per meal, or 15 grams
per day). Experts disagree on how much EFA we need, but it is
generally a very small amount (most of the doctors involved in vlf
dietary regimens feel that a varied plant food diet with at least
4-6%CFF will satisfy EFA needs and that no effort is needed to
insure adequate intake of these nutrients).
 
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