From a nationally recognized expert, an exposÉ of the worst excesses of our zeal for medical testing
Going against the conventional wisdom reinforced by the medical establishment and Big Pharma that more screening is the best preventative medicine, Dr. Gilbert Welch builds a compelling counterargument that what we need are fewer, not more, diagnoses. Documenting the excesses of American medical practice that labels far too many of us as sick, Welch examines the social, ethical, and economic ramifications of a health-care system that unnecessarily diagnoses and treats patients, most of whom will not benefit from treatment, might be harmed by it, and would arguably be better off without screening.
Drawing on twenty-five years of medical practice and research on the effects of medical testing, Welch explains in a straightforward, jargon-free style how the cutoffs for treating a person with "abnormal" test results have been drastically lowered just when technological advances have allowed us to see more and more "abnormalities," many of which will pose fewer health complications than the procedures that ostensibly cure them. Citing studies that show that 10 percent of two thousand healthy people were found to have had silent strokes, and that well over half of men over age sixty have traces of prostate cancer but no impairment, Welch reveals overdiagnosis to be rampant for numerous conditions and diseases, including diabetes, high cholesterol, osteoporosis, gallstones, abdominal aortic aneuryisms, blood clots, as well as skin, prostate, breast, and lung cancers.
With genetic and prenatal screening now common, patients are being diagnosed not with disease but with "pre-disease" or for being at "high risk" of developing disease. Revealing the economic and medical forces that contribute to overdiagnosis, Welch makes a reasoned call for change that would save us from countless unneeded surgeries, excessive worry, and exorbitant costs, all while maintaining a balanced view of both the potential benefits and harms of diagnosis. Drawing on data, clinical studies, and anecdotes from his own practice, Welch builds a solid, accessible case against the belief that more screening always improves health care.
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|Title of eBook: Overdiagnosed|
|Release Date: 01-18-2011|
|Allowed Countries (hover)|
|Publisher: Beacon Press|
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large—vehicle. I could even do some of the work on it myself. There was a lot
of room under the hood and few electronics. The only engine sensors were a
temperature gauge and an oil-pressure gauge.
Things are very different with my ’99 Volvo. There’s no extra room under
the hood—and there are lots of electronics. And then there are all those little
warning lights sensing so many different aspects of my car’s function that
they have to be connected to an internal computer to determine what’s wrong.
Cars have undoubtedly improved over my lifetime. They are safer, more
comfortable, and more reliable. The engineering is better. But I’m not sure
these improvements have much to do with all those little warning lights.
Check-engine lights—red flags that indicate something may be wrong
with the vehicle—are getting pretty sophisticated. These sensors can identify
abnormalities long before the vehicle’s performance is affected. They are
making early diagnoses.
Maybe your check-engine lights have been very useful. Maybe one of
them led you to do something important (like add oil) that prevented a much
bigger problem later on.
Or maybe you have had the opposite experience.
Check-engine lights can also create problems. Sometimes they are false
alarms (whenever I drive over a big bump, one goes off warning me that
something’s wrong with my coolant system). Often the lights are in response
to a real abnormality, but not one that is especially important (my favorite is
the sensor that lights up when it...