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Studies Find Consistent Molecular Architecture Of The Human Brain Across Individuals

Source: JNenad Sestan, MD, PhD, Yale University Department of Neurobiology and Kavli Institute for Neuroscience, via NIH

Human brains have a consistent molecular architecture despite all the other genetic differences across individuals and ethnicities, according to two studies that recorded when and where genes turn on and off in multiple brain regions throughout life.

Despite individual and ethnic genetic diversity, the human prefrontal cortex shows a consistent molecular architecture, as shown in this picture. The vertical span of color-coded areas is about the same, indicating that our brains all share the same tissue at a molecular level, despite distinct DNA differences on the horizontal axis. Each dot represents a comparison between two individuals.

The research appeared in the Journal Nature and was described by the National Institutes of Health in a press release.

The first study focused on Read more »

*This blog post was originally published at ACP Internist*

Physician Questions The Need For Demographic Data With The EMR

Race is a medically meaningless concept.

Spare me the few tired cliches about prostate cancer, diabetes, and sarcoidosis being more common in blacks than whites, or even the slightly increased risk of ACEI cough in patients of Asian descent. We screen Jews of Ashkenazi descent for Tay Sachs without any racial labeling. All that information is readily accessible under the Family History section of the medical history. It is no more than custom which dictates the standard introductory format including age, race, and gender. It turns out I’ve blogged about this before at some length (pretty good post, actually). What is new is the advent of electronic medical records.

Much hullabaloo has been made about federal stimulus funds allocated to doctors as payments for adopting EMRs; “up to $44,000!” Here’s the problem with that figure, though, including how it breaks down (source here): Read more »

*This blog post was originally published at Musings of a Dinosaur*

Latest Interviews

IDEA Labs: Medical Students Take The Lead In Healthcare Innovation

It’s no secret that doctors are disappointed with the way that the U.S. healthcare system is evolving. Most feel helpless about improving their work conditions or solving technical problems in patient care. Fortunately one young medical student was undeterred by the mountain of disappointment carried by his senior clinician mentors…

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How To Be A Successful Patient: Young Doctors Offer Some Advice

I am proud to be a part of the American Resident Project an initiative that promotes the writing of medical students residents and new physicians as they explore ideas for transforming American health care delivery. I recently had the opportunity to interview three of the writing fellows about how to…

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Latest Book Reviews

Book Review: Is Empathy Learned By Faking It Till It’s Real?

I m often asked to do book reviews on my blog and I rarely agree to them. This is because it takes me a long time to read a book and then if I don t enjoy it I figure the author would rather me remain silent than publish my…

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The Spirit Of The Place: Samuel Shem’s New Book May Depress You

When I was in medical school I read Samuel Shem s House Of God as a right of passage. At the time I found it to be a cynical yet eerily accurate portrayal of the underbelly of academic medicine. I gained comfort from its gallows humor and it made me…

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Eat To Save Your Life: Another Half-True Diet Book

I am hesitant to review diet books because they are so often a tangled mess of fact and fiction. Teasing out their truth from falsehood is about as exhausting as delousing a long-haired elementary school student. However after being approached by the authors’ PR agency with the promise of a…

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