Supplements That May Help Fight Alzheimer’s was the practical-sounding headline. Turned out the "researchers" independent variable was a mixture of 5 supplements, a mixture of ALA, ALCAR, GPC, DHA, and PS, tested on mice on a "a vitamin-free, iron-enriched, oxidative-challenge diet." How large was the sample? "A total of 9 adult mice aged 9-12 months were divided into three groups with three mice in each group." 

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Yes, that sample size is too small.  Plus they should have tested on human participants to better correlate the study to humans.  I've seen a bunch of studies that are not very well done.  Also, statistics can be used to make the hypothesis of your study appear "proved".

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