Eric J. Cassell

Summary

Eric J. Cassell (b. 1928) is an American internist and philosopher of medicine whose career spans more than five decades of practice in New York. His central argument is that modern medicine, for all its scientific power, systematically produces suffering by treating disease in the body while ignoring the person who has the disease. Suffering, in his account, is not pain. It is a threat to personhood, and personhood extends far beyond biology. Cassell holds that a physician who knows only pathophysiology is working with an incomplete map. Clinical knowledge requires understanding who the patient is, what purposes they hold, how they read their own illness, and what kind of person they are becoming through that illness. His work on clinical reasoning, judgment, values in medicine, and the epistemology of facts challenged the positivist model that dominated American medicine after World War II.

Life and Career

Cassell trained and practiced as an internist in New York, spending most of his career at Weill Cornell Medical College. He took seriously his own discipline’s founding premise: that clinical medicine, as a thinking discipline, is concerned not only with what clinicians do but why, and how their actions might be honed to be both more appropriate and effective.(Cassell, 2014) He encountered firsthand what he came to describe as the dominant pathology of modern clinical practice — medicine’s sustained inability to attend to the patient as a whole person, despite rhetoric that endorsed exactly that goal.(Cassell, 2014)

After World War II, American medical schools embraced positivism: the view that only scientifically verifiable facts about disease and human biology should guide diagnosis and treatment.(Cassell, 2014) This program displaced experienced clinicians from positions of authority in medical education and installed scientific researchers in their place.(Cassell, 2014) Its ideal was that the knowledge itself would do the work, making the individual physician’s judgment and character largely irrelevant to outcome.(Cassell, 2014)

Meanwhile, the definition of disease itself was narrowing. From structural pathoanatomy in the nineteenth century it shifted toward pathophysiology and then toward molecular genetics, with medical geneticists calling the latter “personalized medicine, as though persons were their genomes.”(Cassell, 2014) Clinical medicine tried to simplify itself by reducing itself to science, a program that was productive for research but that, in some ways, hindered the development of sophisticated clinical practice and practitioners.(Cassell, 2014)

Cassell’s response was not to reject medical science but to argue that clinical medicine is something distinct from medical science: it draws on science, but the knowledge gained through caring for patients over time cannot be duplicated or rendered irrelevant by scientific knowledge of the same phenomena.(Cassell, 2014)

He is notable for deriving his arguments from actual clinical cases, not from philosophical thought experiments. His books are populated with named fictional patients whose cases expose the gap between what disease-based medicine can see and what actually happens to sick people.

The Nature of Suffering

Cassell’s most influential philosophical contribution is his analysis of suffering, first developed at length in The Nature of Suffering and the Goals of Medicine (1991). The argument begins with an apparently simple observation: suffering and pain are not the same thing. A person can be in severe pain without suffering, and can suffer deeply without any physical pain at all.

When a neuroscientist presenting on a panel about terminal care described the molecular biology of pain transmission, Cassell observed that questions about suffering disappeared entirely from the audience’s discussion: the molecular explanation had driven the human experience from everyone’s attention.(Leder (ed.), 1992)

Svenaeus summarizes Cassell’s definition in Phenomenological Bioethics (2018): suffering occurs when an impending destruction of the person is perceived, and it continues until the threat of disintegration has passed or until the integrity of the person can be restored in some manner.(Svenaeus, 2018) The key word is person. Suffering is not a malfunction of tissues; it is a threat to personhood.

In Cassell’s account, suffering is defined as “severe distress associated with events that threaten the intactness of the person” and extends beyond the physical to encompass many dimensions of personhood, including personality, lived past, social roles, culture, and a transcendent spiritual dimension.(Svenaeus, 2018) Consequently, any of these dimensions can be the site of suffering.(Svenaeus, 2018)

Frank’s The Wounded Storyteller (1995) engages Cassell’s framework directly, noting that suffering involves whole persons (rejecting the historical dualism of mind and body), takes place when a state of severe distress threatens the intactness of the person, and can occur in relation to any aspect of the person.(Frank, 1995) Frank adds two conditions Cassell does not foreground: resistance — suffering is partly constituted by a person’s resistance to the lived flow of experience; and the irreducibly social nature of suffering.

For Cassell, the practical implication is clear: the goals of medicine are not exhausted by identifying disease, treating pathophysiology, and prolonging life. Relieving suffering is itself a goal, and it requires a kind of clinical knowledge (knowledge of the person) that no amount of laboratory science will supply.

Personhood and Illness

The traditional definition of sickness invokes only the body: a person is sick when physical symptoms or problems are caused by disease, but if no disease is found, their claim to sickness is doubted.(Cassell, 2014) Cassell defines sickness functionally rather than biologically: a person is sick who cannot pursue their goals and purposes because of impairments of function that the person considers in the domain of medicine.(Cassell, 2014)

The shift matters because the same disease in five different patients will produce five different illnesses. Two patients with identical tumor histology, identical staging, and identical treatment regimens may nonetheless differ radically in the course of their illness because biological determinants, behavioral factors, life history, social class, income, education, personality, and values all enter the causal chain.(Cassell, 2014) A diagnosis (the name of a disease) is only important to clinicians if it furthers their ability to know what to do and where to intervene to make things better.(Cassell, 2014) The object of clinical medicine is benefit to the patient, not the identification of pathology. Treating disease, in this frame, is always in the service of allowing patients to achieve their goals and purposes; it is the personal goals that matter.(Cassell, 2014)

Health, accordingly, is not the absence of disease but function sufficient to achieve a person’s goals and purposes, combined with a sense of well-being. Because goals and purposes are individual, the definition of health is necessarily individual rather than population-based.(Cassell, 2014) A proper clinical orientation therefore asks not whether the patient has disease but whether treatment allows this particular person to pursue what matters to them, not merely to survive. Survival as a primary goal belongs to soldiers in combat or to ICU patients barely hanging on. Everyone else wants not just to survive but to get well and go on with life, and physicians ought to act accordingly.(Cassell, 2014)

The functional definition also expands medicine’s legitimate interventions. In one of Cassell’s cases, a dying man’s most urgent goal is to attend the premiere of his play. By the standard disease model, this is beside the point. By Cassell’s model, the man is sick because he cannot achieve his purposes; and removing impediments to his attending the theater in a wheelchair, properly dressed, without medical encumbrances, is an appropriate medical act.(Cassell, 2014) Medicine can intervene at any point in the total picture of sickness, from the pathophysiological to the social.

This framework entails an expanded account of what the clinical history should reveal. A medical history, properly understood, always has at least two characters: the person and the person’s body. The narrative in the body is the developing pathophysiology. The narrative in the person is the impact of that pathophysiology and its meaning.(Cassell, 2014) What the narrative should reveal extends far beyond diagnosis to include the chain of events, causative factors, the patient’s purposes and goals, meanings attached to events, attitudes, values, personality, and the pace of disease.(Cassell, 2014)

When personal, family, psychological, or social impairments are left unaddressed, control of underlying disease becomes difficult or impossible.(Cassell, 2014) Medical practice, by contrast, routinely halts the patient’s narrative at the point of tentative diagnosis, at which moment disease becomes the central fact of both the patient’s and the physician’s world, and everything else gets crowded out.(Cassell, 2014) Hospital training programs reinforce this by treating patients as though they had no existence before hospitalization and none afterward — behavior that Cassell reads as evidence that trainees are taught not to see the patient at all, but only the disease.(Cassell, 2014)

When physicians reduce a patient to her disease, treating Fanny Gold as her aortic valve, they make decisions about a theoretical abstraction rather than about an individual particular real patient.(Cassell, 2014) Even well-constructed guidelines make this error.(Cassell, 2014)

Clinical Knowledge

Cassell argues that the early 20th-century ideal of medical science, where facts were believed to exist independently of the person who gathers them, is false.(Cassell, 2014) There is no such thing as a fact independent of the person who gathers, studies, or employs it; while the thing itself exists independently in nature, the moment an interested party goes to gather a fact, it comes under the influence of the fact-gatherer.(Cassell, 2014)

On the other side, he argues that what had been excluded from clinical knowledge as “merely subjective” (symptoms, aesthetic judgments, moral assessments) is legitimate clinical data once we acknowledge that all clinical information is probabilistic rather than absolutely certain or uncertain.(Cassell, 2014) Once facts are understood as reliable within confidence limits rather than as either objectively certain or worthless, a physician’s well-grounded aesthetic judgment carries exactly the same epistemic status as a laboratory finding. He states the point bluntly: dismiss the experienced clinician’s comment about a patient at your risk.(Cassell, 2014)

Medicine is, at its core, a probabilities game.(Cassell, 2014) Uncertainty and doubt are the constant condition of clinical practice, not an aberration. The honest answer to this is not to retreat from the particular patient into the comforting abstraction of disease categories, but to know as much as possible about both the disease and the person, and then to live with the uncertainties that remain.

Symptoms, in this account, are not the disease speaking but the person interpreting a manifestation of the disease.(Cassell, 2014) Their meaning cannot be known without knowing how the patient interprets them. When a doctor does not find the disease the symptom seemed to indicate and concludes the report was therefore false, the logic is backward: the report of the symptom is the fact; the disease that is sought but not found is a failed interpretation.(Cassell, 2014)

The clinical case is therefore not a catalogue of disease facts. A case must encompass the patient, the physician, the family, the institutional politics, and all other determinants that make up the circumstances surrounding the patient’s entrance into and passage through medicine.(Cassell, 2014) Facts do not exist in isolation; they cohere in systems, and the central marshalling point of all facts is the sick person.(Cassell, 2014) This means that non-disease facts (a patient’s dementia, her social isolation, her relationship with her daughter) are not peripheral background. They are constitutive of the case, and ignoring them is a form of epistemic error, not just an ethical lapse.

Aesthetic judgment (knowing the harmonious and orderly versus the inharmonious and chaotic) is an unavoidable and trainable form of clinical knowledge that includes spatial pattern recognition, the quick appraisal of whether a patient looks sick, and reading the room.(Cassell, 2014)

Values, too, are inescapably woven into clinical facts. It is difficult to make any full clinical statement about a patient, a finding, or a plan without injecting values.(Cassell, 2014) Imagining a value-free clinical medicine is impossible, whatever the positivist program promised.

The clinical case also requires attention to erroneous presuppositions. Every physician carries into encounters a set of premises about what diseases are probable, what patients in certain demographics typically want, and what counts as evidence. The error lies not in having such premises (they are unavoidable) but in failing to examine them.(Cassell, 2014) A pervasive medical presupposition, for example, is that symptoms without detectable disease mean nothing is really wrong, a remise that caused panic disorder to be systematically missed in favor of fruitless cardiac investigations for years.(Cassell, 2014)

Two distinct modes of thought are required in clinical practice: logico-deductive reasoning, which handles things and states, and narrative reasoning, which handles events unfolding through time. Clinical thinking at its best integrates both, centering on the individual patient in context over the course of the illness.(Cassell, 2014) The treatment of disease, because it keeps the physician focused on disease evidence alone, is reductive: it gets in the way of actually observing the particular sick person.(Cassell, 2014)

Cassell’s critique of post-WWII positivism in medicine draws a specific genealogy. Medical science’s embrace of positivism had the appealing implication that the neophyte physician would be as effective as the experienced one, since the knowledge itself would do the therapeutic work.(Cassell, 2014) This proved false in practice, but its institutional residue persisted: the belief prevalent since World War II that it is medical science that treats the patient, not the physician as person, contributed to the devaluation of individual physician expertise and the erosion of physician identity.(Cassell, 2014)

Against this, Cassell argues that physicians exist as a representative of medicine as a social institution, not merely as individuals.(Cassell, 2014) The therapeutic power of medicine is exercised through individual physicians following rules and customs stretching back centuries. A physician who acts as though she alone takes care of a patient loses therapeutic power, while the physician who acts as medicine’s representative gains it. This is a social epistemology of clinical practice — one where the authority behind clinical action is institutional and historical, not merely individual.

Physicians’ knowledge includes not only medical science but skills learned from experience, knowledge of disease natural history, patient behavior, medical politics, and self-knowledge. No effective care is possible in the absence of all these kinds of knowing.(Cassell, 2014)

Values Are Not Separate from Facts

Cassell’s most persistent argument against the positivist model is that values cannot be extracted from clinical medicine even when medical science itself is value-free. The historical promise of a value-free medicine, imported from nineteenth-century positivism, has proven impossible.(Cassell, 2014) Clinical facts are always deployed in service of values, goals, intentions, and purposes: a clinician who forgets these purposes has left the care of the patient and entered some other pursuit.(Cassell, 2014)

Clinicians who try to exempt themselves from this are incorrect to do so. Clinical medicine is a moral or moral-technical endeavor: it concerns the welfare and good of others, which means moral questions are intrinsic to clinical work and cannot be dismissed as peripheral to it. Strange as it may seem, clinicians are applied moral philosophers.(Cassell, 2014)

This is not a counsel to abandon scientific rigor. It is an argument that working with values is a learnable clinical skill, analogous to learning to listen to heart sounds: initially confusing, clarifying through practice and attention.(Cassell, 2014) Most disagreements in clinical settings are not about medical facts but about conflicting values, and examining those values is how resolution becomes possible.(Cassell, 2014)

Cassell also confronts the rise of bioethics from the late 1960s onward, which displaced the paternalistic physician model with patient autonomy. His critique is not of autonomy but of its cognitive assumption. Sick patients, regardless of the causative disease, commonly manifest changes in thinking that put in doubt not their autonomy as such, but their ability to make fully independent decisions — their cognition in many cases resembling that of preoperational children.(Cassell, 2014) Patients nonetheless remain the only ones who know their values. The physician’s role is to translate those value-based preferences into technical decisions that best reflect what the patient considers important.(Cassell, 2014)

The goals of medicine, taken together, organize into four clusters: patient-centered goals (saving life, relieving suffering, avoiding harm), relationship goals (trustworthiness, truth-telling, constancy), doctoring goals (diagnosis, sense-making, treatment), and professional goals (standards, peer relations, institutional survival).(Cassell, 2014) This taxonomy, derived empirically from clinical cases, resists reduction to any single organizing principle. It illustrates why clinical medicine cannot be purely technical.

Clinical Judgment as Phronesis

Cassell locates clinical judgment within Aristotle’s category of practical wisdom — phronesis. Where scientific knowledge (episteme) concerns universal truths and technical skill (techne) concerns making things, practical wisdom concerns acting well in situations that are particular, complex, and morally freighted.(Cassell, 2014) Judgment is, by definition, the application of general information to a specific situation. No rules or quantitative methods can substitute for it, and it cannot be taught but only learned through experience.(Cassell, 2014)

Katharine Montgomery’s How Doctors Think (2006) arrives at the same conclusion: medicine’s essential virtue is clinical judgment, the practical reasoning that enables physicians to fit their knowledge and experience to the circumstances of each patient.(Montgomery, 2006)

The shift in medical discourse from “judgment” to “decision-making” (traceable to Alvin Feinstein’s clinical epidemiology program) substituted quantitative decision rules for qualitative reasoning.(Cassell, 2014) Cassell acknowledges that guidelines and evidence-based medicine represent attempts to bypass the necessity for individual physician judgment, but holds that this is impossible given the public and social character of clinical action.(Cassell, 2014) A clinical judgment is not a private opinion; it is an assessment grounded in shared professional knowledge, subject to criticism by an internalized professional community, and reflecting professional values.(Cassell, 2014)

The Physician and the Patient

The physician-patient relationship is not incidental to medicine’s therapeutic power; it is a discrete social entity with its own rules, entitlements, and restrictions, and it is the physician’s most important tool.(Cassell, 2014) In its absence, the physician’s ability to effect change in the patient will be crippled. The relationship requires active maintenance and, when damaged, repair.

Cassell argues, against received professional wisdom, that the avoidance of closeness is what causes clinician burnout rather than preventing it.(Cassell, 2014) Physicians trained to “not get involved” discover in practice that closeness facilitates care, not endangers it. The patient’s basic act in the medical encounter is not consent but trust.(Cassell, 2014) Consent is a cognitive act; trust is the prior condition that makes autonomous choice possible at all, because no reasoned decision can rest on information that is not trusted. This means building and preserving a trustworthy relationship is not merely good ethics. It is what makes clinical medicine work.

Words in the clinical encounter carry weight disproportionate to their apparent simplicity. Pay attention to the words you use with a patient because they can do more damage than an errant scalpel.(Cassell, 2014) The amplifying adjective, the catastrophizing inference, the careless prognosis delivered without context: each can produce lasting functional impairment. Language is the physician’s primary tool of both healing and harm.

Physicians also face a social aversion to thinking and talking about death that creates a systematic barrier to accurate prognostication and honest communication with dying patients.(Cassell, 2014) When death is framed as failure, physicians are less likely to engage the prognostic conversations that would allow patients to plan their remaining life. Accurate prognosis, however uncomfortable, serves the patient.

The Body of the Future

In his 1992 essay “The Body of the Future,” published in Drew Leder’s edited volume The Body in Medical Thought and Practice, Cassell extends his argument into the philosophy of biology and the history of medical concepts of the body.

The essay traces a shift from understanding the body in terms of Aristotelian substantial form, where form is active, self-moving, and inherently bound to development, change, and purpose — to understanding it mechanistically after the seventeenth and eighteenth centuries.(Leder (ed.), 1992) Twentieth-century medicine extended this mechanization through what Pedro Laín-Entralgo called “molecularization”: the progressive description of all physiological processes in molecular terms, studying biological systems as closed, self-sufficient, and independent of the organism or person.(Leder (ed.), 1992)

Medical science excels at answering the question “What is wrong with the patient’s heart?”(Leder (ed.), 1992) It cannot answer the question “Why can this patient no longer fulfill her purposes in relation to her work?”(Leder (ed.), 1992)

The rehabilitation movement, the women’s movement, and the independent living movement collectively assert “Purpose is destiny” against the Freudian dictum “Anatomy is destiny.”(Leder (ed.), 1992) Sister Kenny’s dispute with orthopedists over polio treatment exemplifies the rehabilitation movement’s shift from preserving body structure to restoring function and purpose regardless of structural integrity.(Leder (ed.), 1992)

David Bakan’s concept of “telic decentralization” describes what illness does to the sick person’s purposive structure: the purposes of the body and its parts loom larger than the purposes of the sick person, displacing the central purposes that normally organize experience.(Leder (ed.), 1992) Cassell observes that organ-focused medical care compounds this displacement rather than counteracting it: the assault on purpose comes from both the sickness and the medical care itself.

When survival becomes the patient’s sole purpose, a different and equally damaging form of telic loss occurs. If a young woman’s cancer treatment is organized around survival alone, her purposes will become purely bodily: the support and survival of her organs. If her purpose is survival alone, she is lost to illness whether she lives or dies.(Leder (ed.), 1992) The only corrective is to subordinate disease treatment to supporting the patient’s central life-purposes, so that her aims, not the cancer, become the primary object of treatment.

The implication for how medicine should measure treatment outcomes is pointed. Coronary artery bypass grafting has effects on the heart, the chest wall, the patient’s body image, physical activity, psychological state, family relationships, and world engagement. Research on treatment outcomes almost never considers these matters. It focuses on survival and freedom from cardiac symptoms.(Leder (ed.), 1992) This is not a data-gathering limitation; it is a consequence of the organizing assumption that the body is a mechanism and the only relevant question is whether the mechanism works.

Reception and Influence

Cassell’s work on suffering circulated widely in palliative care and hospice medicine during the 1990s and 2000s, where it provided a philosophical framework for understanding why dying patients in well-resourced hospitals nonetheless suffered deeply. The argument that suffering is a threat to personhood rather than a biological event gave clinical legitimacy to attending to spiritual, relational, and existential dimensions of dying that disease-based medicine had no vocabulary for.

His influence on narrative medicine is acknowledged by Rita Charon and others in that movement, though the relationship is more convergent than causal — both Cassell and the narrative medicine movement were responding to the same perceived failure of evidence-based and disease-centered practice. Cassell’s explicit argument that clinical knowledge is irreducibly narrative, that the case must encompass the patient’s story across time, not merely the pathophysiology — prefigured central themes in Charon’s framework.

Eric Cassell’s influential definition of suffering as “severe distress associated with events that threaten the intactness of the person” extends suffering beyond the physical to encompass the many dimensions of personhood, including personality, lived past, social roles, culture, and a transcendent spiritual dimension.(Svenaeus, 2018)

His epistemological arguments: the critique of positivism, the defense of clinical judgment over algorithmic decision-making, the rehabilitation of aesthetic and symptomatic data as legitimate clinical evidence — have found more traction in the philosophy of medicine than in clinical practice or medical education, which remain substantially organized around the disease model he critiques. His own question (“Why does reductionism always win?”(Cassell, 2014)) has not been answered to his satisfaction in the half-century since he first posed it.

Tensions and Unresolved Questions

Cassell observes that pre-antibiotic-era medicine required exceptional clinical skill to manage diseases like pneumococcal pneumonia, while contemporary medicine has shifted the challenge to chronic, functional, and multi-morbid patients who need a different kind of clinical expertise.(Cassell, 2014) He further argues that current training does not adequately provide this expertise.(Cassell, 2014)

Contemporary medicine’s challenge has shifted from acute infections (where exceptional skill determined whether patients lived or died) to chronic, functional, and multi-morbid patients who require a different kind of clinical expertise that disease-focused training poorly provides.(Cassell, 2014)

His account of clinical judgment as phronesis emphasizes that good judgment requires moral goodness in the clinician: the sins of physicians (vanity, pride, greed, carelessness, callousness) can prevent the patient’s good from coming first.(Cassell, 2014) This is a demanding claim. It locates the primary problem in the virtue of individual practitioners rather than in institutional structures, which may underestimate the force of the structural pressures that reductionism creates.

Cassell is equally direct about the demand for tolerating uncertainty. Clinicians must accept that they will often not know why something happened, and going through test after test to explain the inexplicable is itself a way of punishing patients rather than caring for them.(Cassell, 2014) This tolerance of the irreducible is a character requirement, not merely a methodological preference.

His critique of evidence-based medicine is that it attempts to bypass the necessity for individual physician judgment. He acknowledges that guidelines and decision rules represent genuine improvements over uninformed individual opinion in many domains. The tension between his defense of clinical judgment and the legitimate evidence-based critique of idiosyncratic physician variation is real and unresolved.

See Also

• narrative-medicine
• suffering-and-personhood
• clinical-epistemology
• philosophy-of-medicine
• patient-centered-medicine
• phronesis
• illness-vs-disease
• drew-leder
• s-kay-toombs
• kathryn-montgomery
• arthur-frank

Sources

• Cassell, Eric J. The Nature of Clinical Medicine: The Return of the Clinician. Oxford University Press, 2014.
• Cassell, Eric J. “The Body of the Future.” In Drew Leder, ed., The Body in Medical Thought and Practice. Kluwer Academic Publishers, 1992, pp. 233–249.
• Cassell, Eric J. The Nature of Suffering and the Goals of Medicine. Oxford University Press, 1991 (2nd ed. 2004).
• Svenaeus, Fredrik. Phenomenological Bioethics: Medical Technologies, Human Suffering, and the Meaning of Being Alive. Routledge, 2018. (Chapters 1–2)
• Frank, Arthur W. The Wounded Storyteller: Body, Illness, and Ethics. University of Chicago Press, 1995. (Chapter 10)
• Montgomery, Kathryn. How Doctors Think: Clinical Judgment and the Practice of Medicine. Oxford University Press, 2006. (Chapters 3, 8)
• Toombs, S. Kay. The Meaning of Illness: A Phenomenological Account of the Different Perspectives of Physician and Patient. Kluwer Academic Publishers, 1992.

Footnotes