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Behavioral Genetics - An introduction to how genes and environments interact through development to shape differences in mood, personality, and intelligence.pdf

November 8, 2009 · Filed Under Medical Textbook · Comment  · Tags: , , , , ,

Taken from Introduction: Why do humans range so widely in their susceptibility to mental illness, in their willingness to take risks, and in their performance on intelligence tests? One answer to this question comes from scientists in the field of behavioral genetics. They say that the variation in behavioral traits across a population is due, in part, to the genes. So many studies have pointed to connections between genes and particular behaviors that most scientists now feel comfortable stating that there is such a link for every possible behavior. But what does it really mean to say that there is a link between genes and behavior?
Does it mean that there is a gene that makes some of us blush when embarrassed; that there is one gene that makes you prefer classical music and another gene that makes you dislike it; that there is a bunch of genes that each provides for different levels of skill in playing poker? The answer to all these questions is no. Does it mean behavior passes down from generation to generation, i.e., is inherited, just like baldness and eye color? Again, the answer is no.
So when next you see an article that proclaims, “Gene for [insert a human behavior here] discovered,” read it with a critical eye. Or when you next hear someone say, “He inherited his [insert a human behavior here] from his father,” receive that with skepticism, too.
The pervasive role of genes in behavior does not mean what it is commonly misunderstood to mean. It does not mean that a gene or even several genes can make you act in any particular way. It does not mean that a behavior can “pass down through the genes.” Such claims are not accepted in behavioral genetics.
It does mean that genes play a vital role in the body’s development and physiology, and it is through the body, acting in response to and upon surrounding environments, that behavior manifests itself. So while we do inherit our genes, we do not inherit behavior traits in any fixed sense. The effect of our given set of genes on our behavior is entirely dependent upon the context of our life as it unfolds day to day.

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Introduction to Doppler.pdf

October 22, 2009 · Filed Under Medical Textbook · Comment  · Tags: , ,

Introduction to Echocardiography and Introduction to Doppler are the acclaimed monographs produced for beginners to get a quick overview of echo and Doppler. This easily understood series, originally published by Medi-Cine and distributed by Ciba-Geigy in the America’s and ICI elsewhere in the world, has been a popular starting place for physicians, sonographers and other allied health professionals to understand the basics of these modalities. A part of this series won an award for medical education from the British Medical Association.

Essentials of Echocardiography.pdf

September 9, 2009 · Filed Under Medical Textbook · Comment  · Tags: , , ,

Introduction to Echocardiography and Introduction to Doppler are the acclaimed monographs produced for beginners to get a quick overview of echo and Doppler. This easily understood series, originally published by Medi-Cine and distributed by Ciba-Geigy in the America’s and ICI elsewhere in the world, has been a popular starting place for physicians, sonographers and other allied health professionals to understand the basics of these modalities. A part of this series won an award for medical education from the British Medical Association.

Who Cares: Sources of Information About Health Care Products and Services.pdf

September 2, 2009 · Filed Under Medical Textbook · Comment  · Tags: , ,

Taken from Introduction: With so many sources of health information at your fingertips — many of them online - it can be tough to tell fact from fiction, or useful health products and services from those that don’t work or aren’t safe.

Influenza Report 2006.pdf

August 19, 2009 · Filed Under Medical Textbook · Comment  · Tags: , , ,

Taken from Preface: Thirty years ago, infectious diseases were seemingly on the decline.
Tuberculosis was defeated, small pox was about to be eradicated, sexually transmissible diseases could easily be treated, and other scourges of mankind, such as malaria, were expected to disappear one day. Some experts hilariously announced that we would soon be able to close the book of infectious diseases once and for all. Of course, that was before the beginning of the AIDS pandemic in 1981, and before the discovery of the hepatitis C virus, as well as many other viruses capable of causing severe disease in humans.
Human memory is permeable and porous. A quick look at medical history would have sufficed to understand that infectious diseases have accompanied humans ever since they opted for a sedentary lifestyle. While we are today better prepared to prevent and fight off infectious diseases, we are nonetheless condemned to coexist with them. In a world with an increasing potential for the rapid spread of pathogens – overcrowded cities, high mobility – the role of efficient infectious disease task forces can therefore not be overestimated.

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