Quackery: The 20 Million Dollar Duck

The publisher recently sent me a review copy of Quackery: The 20 Million Dollar Duck, by Tony Robertson. My first thought was “Do we really need another book on this subject? Don’t I know all this stuff already?” I was very pleasantly surprised. Robertson has ferreted out an impressive array of facts and details that I

Vitamin D: To Screen or Not to Screen?

Vitamin D, the so-called sunshine vitamin, has generated a lot of attention in recent years. It has been claimed to benefit a wide variety of diseases, everything from cancer to multiple sclerosis. It is widely used along with calcium for bone health. It is added to milk and prenatal vitamins and is prescribed for breastfed

A Misguided Apology

A new book by Thomas Schneider, MD, offers A Physician’s Apology. The subtitle asks, “Are WE making you sick?” I was eager to read it, because I could think of many things doctors might be apologizing for: overdiagnosis, overtreatment, ordering unnecessary tests, pathologizing the vicissitudes of everyday life, offering misleading low-fat diet advice, misrepresenting inadequately tested

Diet Supplements or Nutritional Supplements: A Ruse by Any Other Name is Still a Ruse

I was surprised to get this e-mail from a reader: Surely, Dr. Hall, the public mania for nutritional supplements is baseless. All the alleged nutrients in supplements are contained in the food we eat. And what governmental agency has oversight responsibility regarding the production of these so-call nutritional supplements? Even if one believes that such

Should I Take a Multivitamin?

I’ll start with a confession. I used to do something irrational. I used to take a daily multivitamin, not because I thought there was good scientific evidence to support the practice, but for psychotherapy. I tried to eat a healthy diet and worried about it. By taking a pill, I could stop worrying. Then I

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