As a physician and scientists who’s dedicated his life to the application of science to the development of better medical treatments, I’ve often wondered how formerly admired scientists and physicians fall into pseudoscience or even generate into out-and-out cranks. Examples are numerous and depressing to contemplate. For example, there’s Linus Pauling, a highly respected chemist and Nobel Laureate, who in his later years became convinced that high dose vitamin C could cure cancer. Indeed, Pauling’s belief that high dose vitamin C could cure the common cold and cancer fueled the development of a whole new form of quackery known as “orthomolecular medicine,” whose entire philosophy seems to be based on the concept that if some vitamins are good more must be better. In essence, “orthomolecular medicine” is a parody of nutritional science; indeed, its advocates take credit for how some strains of “complementary and alternative medicine” (CAM) so frequently advocate the ingestion of huge amounts of dietary “supplements.” I could even go farther and say that orthomolecular medicine is clearly a major part of the “intellectual” (and I do use that term loosely) underpinning of the various biomedical treatments for autism that Jenny McCarthy and Generation Rescue advcoate.
There are other examples as well, all just as depressing to contemplate. For example, consider Peter Duesberg, a brilliant virologist who in the 1980s was widely believed to be on track for a Nobel Prize; that is, until he became fixated on the idea that HIV does not cause AIDS. True, lately he’s been trying to resurrect his scientific reputation with his interesting and possibly even promising chromosomal aneuploidy hypothesis of cancer, but, alas, true to form he’s been doing it by acting like a crank. Specifically, he sees his hypothesis as The One True Cause of Cancer and disparages conventional thinking as having been so very, very wrong all these years (with his being, of course, so very, very brilliant that he saw what no one else could see). Then there are people like Dr. Lorraine Day, who was a respected academic orthopedic surgeon in the 1980s. In the late 1980s, she started to flirt with AIDS pseudoscience through a scare campaign about catching AIDS from aerosolized blood. Of course, given the mystery and fear over HIV in the early years of the epidemic, such a fear, although overblown, was not so far out of the mainstream as to be worthy of the appellation crank. However, after being diagnosed with breast cancer, unfortunately Dr. Day rapidly degenerated into a purveyor of rank pseudoscience, as well as a New World Order conspiracy theorist, religious loon, and Holocaust denier. And let’s not forget Mark Geier, who, although not a distinguished scientist, did, before his conversion to antivaccinationism, apparently do a real fellowship at the NIH and appeared to be on track to a respectable, maybe even impressive, career as an academic physician. Now he’s doing “research” in his basement, injecting autistic children with a powerful anti-sex hormone drug and abusing epidemiology. There are innumerable other examples.
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