July 8th, 2010 by Steve Novella, M.D. in Better Health Network, Health Policy, News, Opinion, Quackery Exposed, Research
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Mark Hyman, a proponent of so-called “functional medicine” promoting himself over at the Huffington Post (an online news source that essentially allows dubious medical infomercials to pass as news) has posted a particularly egregious article on personalized medicine for dementia.
In the article Hyman distorts the modern practice of medicine, the current state of genetic science, and the very notion of “disease.” It is, as usual, a fine piece of medical propaganda sure to confuse many a reader. Hyman starts with some standard epidemiology of dementia –- it’s a common and growing disorder –- but then descends quickly into distortion and pseudoscience. Read more »
*This blog post was originally published at Science-Based Medicine*
December 26th, 2009 by Jonathan Foulds, Ph.D. in Better Health Network, Health Tips, Research
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I was recently asked to review a new textbook on Nicotine Psychopharmacology, containing 18 very thorough chapters describing the latest evidence on the effects of smoking and nicotine on the brain and behavior. Much of it, though interesting, was a very heavy read. But it occurred to me that it might be useful to try to summarize what the 544 pages in this new book suggests about the effects of nicotine and the reasons smokers get addicted. So here is an attempt to describe how nicotine addiction works, in simplified terms.
When a smoker inhales nicotine from a cigarette, the drug is carried to the brain in highly concentrated form within around 10-15 seconds. The drug then Read more »
This post, How Cigarette Nicotine Affects The Brain, was originally published on
Healthine.com by Jonathan Foulds, Ph.D..