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Precision Medicine: The Coolest Part of Medicine

QuellosOne size rarely fits all. Most medical knowledge is derived from studying groups of subjects, subjects who may be different in some way from the individual who walks into the doctor’s office. Basing medicine only on randomized controlled studies can lead to over-simplified “cookbook” medicine. A good clinician interprets study results and puts them into context, considering the whole patient and using clinical judgment to apply current scientific knowledge appropriately to the individual.

CAM practitioners claim to be providing individualized treatments. Homeopaths look up symptoms like “dreams of robbers,” “sensation of coldness in the heart,” and “chills between 9 and 11 AM” in their books, and naturopaths quiz patients in great depth about their habits and preferences; but they don’t have a plausible rationale for interpreting the information they gather. And they have not been able to demonstrate better patient outcomes from using that information.

A new concept, “precision medicine,” was recently featured in UW Medicine, the alumni magazine of my alma mater, the University of Washington School of Medicine. Precision medicine strives to provide truly individualized care based on good science. It identifies the individual variations in people that make a difference in our ability to diagnose and treat accurately. Peter Byers, MD, director of the new Center for Precision Diagnostics at the University of Washington, calls it “the coolest part of medicine.” (more…)

Posted in: Basic Science, Cancer, Technology

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Thumbthing Worth Reading

I intended to read Sam Kean’s new book The Violinist’s Thumb: And Other Lost Tales of Love, War, and Genius as Written by our Genetic Code  just for fun. I was expecting a miscellany of trivia loosely gathered around the theme of DNA. But I found something much more worthwhile that I thought merited a book review to bring it to the attention of our readers. Kean interweaves entertaining stories into a somewhat disjointed but nonetheless valuable history and primer of genetics. The title refers to Paganini, whose DNA created the unusual joint flexibility that facilitated his unprecedented feats of virtuosity on the violin.

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Posted in: Basic Science, Book & movie reviews, Evolution, History

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The Future of Medicine

Eric Topol, MD, has written a book about the convergence of the digital revolution and medicine. It is full of fascinating information and prognostication, but I wish he had given it a better title.  He called it The Creative Destruction of Medicine: How the Digital Revolution Will Create Better Health Care. Medicine will not and cannot be “destroyed.” It will be improved and transformed, perhaps, but not destroyed. And any new developments will have to be evaluated for safety and effectiveness by the good old time-tested methods of science.

The future world of medicine is really exciting: science fiction is becoming real. As I read Topol’s  book I serendipitously found it paraphrased by a character in another book I was reading, Chop Shop, by Tim Downs.

I see a world where no one ever dies from an adverse drug reaction; where physicians have an entire range of medicines to choose from to treat a deadly disease; where medications target tumors like smart bombs and leave surrounding tissues unharmed; where genetic susceptibility to disease can be determined in childhood, and possibly even prevented.

(If you haven’t yet discovered Downs’ hilarious “Bug Man” detective series about a crazy forensic entomologist, you have a treat in store.)

But back to non-fiction. Our world is changing almost too rapidly to comprehend: the Internet reaches everywhere, and there are far more mobile phones in the world today than toilets.  We have hardly begun to tap the current potential of new technologies, and unimagined further developments await us. Topol is a qualified guide to this new world: he is a respected cardiologist and geneticist who ha s been on the forefront of wireless medicine and who was a major whistleblower in the Vioxx fiasco. He knows whereof he speaks, and he writes lucidly and accessibly.
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Posted in: Book & movie reviews, Science and Medicine

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