Twenty-one patients with a diagnosis of Alzheimer's disease completed a double blind trial on lecithin 25 g daily. Equal improvement was noted in both the lecithin and placebo groups. Serum levels of lecithin measured 12-14 hours after its administration were also not increased compared with the levels in control patients. These findings of the ineffectiveness of lecithin inpatients with Alzheimer's disease are discussed in relation to the literature on this subject.
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