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Massaging the neck and face may help flush waste out of the brain
(www.newscientist.com)
This is a most excellent place for technology news and articles.
Chiropractics is brain waste in itself.
But it could make your back feel better for a day or two. Why address the cause when we can just temporarily fix the symptoms?
Most of what they do is just placebo, recently read somewhere about it not even reliefing issues but the noise making people feel better for a short while.