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Title: NOT FOR ME
Review: I have used one of these for a month, and I have observed myself, my general wellbeing, and my backpain with and without the necklace, while sleeping, while doing sport, while at the office... and I have not noticed any difference at all. For this, and because, in my research, I have not been able to find a even a single scientifically justified reason for these to work, I am giving it one star. I only hope that others read this review and think twice before spending their money.
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