A systematic review of the evidence supporting a causal link between...

... fruit, and fiber. Insufficient evidence (< or =2 criteria) of association is present for intake of supplementary vitamin E and ascorbic acid (vitamin C); saturated and polyunsaturated fatty acids; total fat; alpha-linolenic acid; meat; eggs; and ...

http://www.citeulike.org/user/ftv88/article/6129443