British Medical Journal: Too Much Medicine Is Bad for Our Health
This is a David vs Goliath struggle. The forces that benefit from massive overdiagnosis can martial hundreds of billions of dollars a year to promote and protect it. The forces supporting rational medical decision making have access to just a few million dollars a year. The smart money is betting on the big bucks and the status quo.
The evidence is compelling that we in the developed countries (especially the US) are overtesting for disease, overdiagnosing it, and overtreating. Wasteful medical care of milder or nonexistent problems does more harm than good to the individual patient, diverts scarce medical resources away from those who really need them, and is an unsustainable drain on the economy.
The causes of medical excess are many and powerful. Here is a truncated list:
• With very few exceptions, the early screening and intervention touted by preventive medicine has turned out to be an oversold, dangerous, and expensive flop.
• Lowering the thresholds of disease definitions has identified diseases that don't exist. The dream was that getting there early would help prevent the development of severe heart problems, hypertension, diabetes, osteoporosis, and a score of other illnesses. The reality is that getting there too early misidentifies too many people who are not really at risk and then subjects them to needless and harmful tests and treatments
• The technology is out of hand. If we do enough CT scans we can find structural abnormalities in just about everyone. But most findings are incidental and don't have any real clinical meaning.
• Doctors have gotten into the habit of ordering huge batteries of laboratory tests and treating the results while ignoring what is best for this particular patient. There needs to be retraining of those already in practice, a change in how medicine is taught to new doctors, and a realignment of financial incentives to promote best care, not excessive care.
• Except for hospice care, it has become almost impossible to die in a dignified, humane, and cost effective way. Hospitals have become frenetic torture chambers that make dieing much worse than death and cost an obscene fortune.
• Tame and shame Big Pharma. Stop the direct to consumer advertising that is allowed only in the US and New Zealand. Prohibit all Pharma contributions to professional associations and consumer groups. Regulate and make transparent all the marketing ploys used to mislead doctors. Force the publication of all clinical research trial data.
• Recognize that all existing medical guidelines that define disease thresholds and make treatment recommendations are suspect. They have been developed by experts in each field who always have an intellectual conflict of interest (and often enough also have a financial conflict of interest) that biases them toward overdiagnosis and overtreatment in their pet area of research interest. New diagnostic standards are as dangerous as new drugs and need the same careful and independent vetting to tame unrealistic diagnostic enthusiasm.
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