Everyone wants to make you healthy these days. Everyone has a plan, a product, or a procedure guaranteed to–choose one–make you thinner, smarter, hairier, faster, more restful, more attractive, longer lived, able to sleep, able to stay awake, able to think, and even able to fight cancer. What works? What doesn’t? Where, oh where, is the truth? Dr. Marcum tells us what we need to know.

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