A modest proposal for the reform of American medicine might begin, improbably enough, in a suburban pediatrician’s office where, last week, a physician of evident earnestness instructed my adolescent son to sleep until noon whenever possible, on the theory that tardy rising is the royal road to superior intelligence. The authority cited was a single paper (published, with all due respect, in the journal Personality and Individual Differences) bearing the confident title “Why Night Owls Are More Intelligent.” One left the examining room reflecting less on circadian biology than on the fragility of clinical judgment when unaccompanied by even rudimentary analytical discipline.
This small domestic episode is not an eccentricity; it is an emblem. Medicine, that most empirical of professions, is periodically betrayed by its practitioners’ susceptibility to the very fallacies that undergraduate education, in its present form, does nothing to dispel and much to encourage.
Consider the physician who embraces a new drug because an observational study (often little more than a press release dressed in statistical clothing) reports “benefit,” only to remain unmoved when subsequent large randomized trials demonstrate futility or harm. Or the colleague who orders prostate-specific antigen screening in the serene conviction that early detection is an unalloyed good, heedless of lead-time bias, overdiagnosis, and the conversion of healthy men into anxious patients. A positive D-dimer in a low-risk 20-year-old becomes, in certain hands, conclusive evidence of pulmonary embolism, as if pretest probability were an ornamental concept rather than the very foundation of diagnostic reasoning.
The catalogue grows wearisome because it is interminable. Relative risk reduction (“cuts the chance in half!”) is brandished like a papal bull, while the absolute reduction (from two cases per thousand to one) is allowed to vanish in the rhetorical mist. Broad-spectrum antibiotics are lavished upon floridly viral illnesses “just in case,” as though antimicrobial resistance and Clostridioides difficile were theoretical inconveniences rather than daily realities. Low vitamin D levels, observed in the company of illness, prompt supplementation on the assumption that association is destiny, a revival of the post hoc ergo propter hoc fallacy in the argot of modern endocrinology. Regression to the mean is regularly mistaken for therapeutic genius, and surrogate endpoints (a suppressed ventricular ectopy count, a lowered biomarker) are pursued with Talmudic zeal even after trials demonstrate that mortality and human suffering remain serenely indifferent to such ministrations.
These are not mere lapses of memory; they are failures of mind. Yet the gateway to medical school remains guarded by rituals (organic chemistry, introductory physics, the memorization of metabolic pathways) that bear only the most tenuous relation to the intellectual vices on display. We compel bright young people to master the Krebs cycle while leaving them defenseless against base-rate neglect, the conjunction fallacy, and the siren song of p-values. We drill them in the nomenclature of anatomy but not in the elements of Humean skepticism or Bayesian reasoning.
The remedy is not mysterious. Let premedical education require, alongside the indispensable sciences, disciplines that forge critical faculties: multiple courses in probability and statistics, the complete calculus sequence, and a serious course in research methods. The goal is not to produce mathematicians but to cultivate a temperament: skeptical without cynicism, rigorous without pedantry, alive to the distinction between what is plausible and what is demonstrated.
Edmund Burke remarked that “the age of chivalry is gone; that of sophists, economists, and calculators has succeeded.” In medicine, the age of the careful reasoner has yet to arrive. Until it does, we shall continue to treat numbers rather than patients, correlations rather than causes, and the latest headline rather than the accumulated weight of evidence. The healing art deserves better, and so do those who entrust us with their lives.
The author is an anonymous physician.
