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Regarding Judy's post:
        My understanding is that nobody really knows the truth about
melatonin's relationship to auto-immune disease. The research simply
hasn't been done yet. The best anybody, including health professionals,
can do is make educated guesses; thus the differing responses to your
question.
        See "Melatonin" by Russel Reiter and Jo Robinson (published by Bantam)
 for a good discussion of the issue. Jo Robinson is the one who started the
 melatonin "craze" by her compilation and analysis of the existing melatonin
 research.

Sherill Roberts
McMinnville, Oregon