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My opinion about medical marijuana has been fairly consistent. First, the claims made by its advocates for it far exceed the evidence for its benefit, which is why I've referred to it as the "new herbalism." Of course, it's not really very new, but it is herbalism in that medical marijuana advocates make grandiose claims for using their favorite "drug" in its plant form rather than doing the standard thing that modern medicine does with natural products and try to isolate the active compounds, in this case a class of molecules known as cannabinoids. Second, although medical marijuana might…

Reflexology is quackery. It's based on magical thinking that views every major organ in the body as somehow mappable to specific points on the soles of the feet or the palms of the hands and posits that somehow massaging these areas can have therapeutic effects on the organs in question. Claims regularly made for reflexology include that it can "detoxify" the body, increase circulation, assist in weight loss, and improve the health of organs. Other conditions for which quacks claim reflexology is efficacious include earaches, anemia, bedwetting, bronchitis, convulsions in an infant,…