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Free fatty acid levels in habitual coffee drinkers in relation to quantities consumed, sex and age.

There is a significant difference in plasma levels of the free fatty acids (FFA) in habitual coffee drinkers compared with a control group of non-coffee and decaffeinated-coffee drinkers. A significant difference in FFA levels between males and females was found under the same conditions of coffee consumption, in non-coffee drinkers and in decaffeinated-coffee drinkers.