A satisfactory account of the nature of health is important for a wide range of theoretical and practical reasons. No theory offered in the literature thus far has been able to meet all the desiderata for an adequate theory of health. This article introduces a new theory of health, according to which health is best defined in terms of dispositions at the level of the organism as a whole. After outlining the main features of the account and providing formal definitions (...) of ‘health’, ‘healthy’, and ‘healthier than’, I present the main strengths of the proposed account. I argue that the proposed dispositional theory accounts for all paradigm cases of health and pathology, that it circumvents a number of problems faced by rival theories, and that it makes for a naturalistic theory of health with a rigorous metaphysical underpinning. 1Introduction 2The Dispositional Account 3Further Specification of the Dispositional Account 3.1Reference classes 3.2Comparison classes 3.3Which dispositions? 4Advantages of the Dispositional view 5Three Objections and Replies 5.1Objection 1: Counter-examples 5.2Objection 2: Issues with holism 5.3Objection 3: Expediting medicalization 6Final Remarks. (shrink)

Recent criticisms of medicine converge on fundamental questions about the aim of medicine. The main task of this paper is to propose an account of the aim of medicine. Discussing and rejecting the initially plausible proposal according to which medicine is pathocentric, the paper presents and defends the Autonomy Thesis, which holds that medicine is not pathocentric, but sanocentric, aiming to promote health with the final aim to enhance autonomy. The paper closes by considering the objection that the Autonomy Thesis (...) is overly permissive and allows many highly controversial procedures as legitimate parts of medicine. (shrink)

While aging research and policy aim to promote ‘health’ at all ages, there remains no convincing explanation of what this ‘health’ is. In this paper, I investigate whether we can find, implicit within the sciences of aging, a way to know what health is and how to measure it, i.e. a theory of health. To answer this, I start from scientific descriptions of aging and its modulators and then try to develop some generalizations about ‘health’ implicit within this research. After (...) discussing some of the core aspects of aging and the ways in which certain models describe spatial and temporal features specific to both aging and healthy phenotypes, I then extract, explicate, and evaluate one potential construct of health in these models. This suggests a theory of health based on the landscape of optimized phenotypic trajectories. I conclude by considering why it matters for more candidate theories to be proposed and evaluated by philosophers and scientists alike. (shrink)

This paper seeks to develop a theory of health that aligns with the shift in contemporary medical practice and research toward a temporally extended epidemiological view of health. The paper describes how such a theory is at the core of life course based approaches to health, and finds theoretical grounding in recent work in the philosophy of biology promulgating a process theory of life.

In contrast to the “normativist” view, “naturalist” theorists claim that the concept of health refers to natural or normal states and propose different characterizations of healthy and diseased conditions that are meant to be objectivist and biologically grounded. In this article, we examine the core concept of these naturalist accounts of disease, i.e., the concept of biological malfunction, and develop a new formulation of the notion of malfunction following the recent organizational approach to functions in the philosophy of biology. We (...) focus on the notions of adaptive regulation and functional presupposition to develop a new conceptual framework that justifies the ascription of malfunctional behaviors to biological systems according to the embodied normativity of biological organizations. (shrink)

In, I argued that Boorse's biostatistical theory of health is unable to accommodate diseases that are the normal result of harmful environments. Hausman disagrees: if the BST compares normal dispositional function against the whole population or reference class, rather than against organisms in similar circumstances as I proposed, then my challenge can be avoided. In this paper, I argue that Hausman's response fails: his proposal cannot accommodate a series of common physiological processes, such as sleep and those involved in reproduction. (...) In the course of this argument, I also offer a detailed discussion of the concept of functional efficiency, and reveal a link between the problem of environments and that of reference classes. 1 Introduction2 Kingma on Boorse3 Hausman on Kingma4 Response to Hausman5 Three Possible Replies5.1 Reference classes5.2 Temporary pathologies5.3 Adequacy of function6 Concluding Discussion. (shrink)

The literature on health and diseases is usually presented as an opposition between naturalism and normativism. This article argues that such a picture is too simplistic: there is not one opposition between naturalism and normativism, but many. I distinguish four different domains where naturalist and normativist claims can be contrasted: (1) ordinary usage, (2) conceptually clean versions of “health” and “disease,” (3) the operationalization of dysfunction, and (4) the justification for that operationalization. In the process I present new arguments in (...) response to Schwartz (2007) and Hausman (2012) and expose a link between the arguments made by Schwartz (2007) and Kingma (2010). Distinguishing naturalist claims at these four domains will allow us to make progress by (1) providing more nuanced, intermediate positions about a possible role for values in health and disease; and (2) assisting in the addressing of relativistic worries about the value-ladenness of health and disease. (shrink)

Philosophical debates about the concept of disease, particularly of mental disease, might benefit from reconsideration and a closer look at the established terminology and conceptual structure of contemporary medical pathology and clinical nosology. The concepts and principles of medicine differ, to a considerable extent, from the ideas and notions of philosophical theories of disease. In medical theory, the concepts of disease entity and pathologicity are, besides the concept of disease itself, of fundamental importance, and they are essentially connected to the (...) concepts cause of disease or etiological factor, natural course or natural history of disease, and pathological disposition. It is the concept of disease entity that is of key importance for understanding medical pathology and theory of disease. Its central role is shown by a short reconstruction of its main features and its intrinsic connection to the concept of pathologicity. The meaning of pathologicity is elucidated by explicating the underlying criteria. (shrink)

This essay argues that what is central to Christopher Boorse’s biostatistical theory of disease as statistically subnormal part function (BST) are comparisons of the “functional efficiency” of parts and processes and that statistical considerations serve only to pick out a healthy level of functional efficiency. On this interpretation, the distinction between health and pathology is less important than comparisons of functional efficiency, which are entirely independent of statistical considerations. The clarifications or revisions of the BST that this essay offers are (...) friendly amendments that render moot some of the most prominent criticisms of Boorse’s account. (shrink)

This essay develops an account of health, the functional efficiency theory, which derives from Christopher Boorse's biostatistical theory. Like the BST, the functional efficiency theory is a nonevaluative view of health, but unlike the BST, it argues that the fundamental theoretical task is to distinguish levels of efficiency with which the parts and processes within organisms and within systems within organisms function. Which of these to label as healthy or pathological is of secondary importance. Because the statistical distributions that Boorse's (...) account relies on are distributions of functional efficiency, the functional efficiency theory arguably complements rather than challenges the BST. (shrink)

Christopher Boorse’s bio-statistical theory of health and disease argues that the central discipline on which theoretical medicine relies is physiology. His theory has been much discussed but little has been said about its focus on physiology or, conversely, about the role that other biomedical disciplines may play in establishing a theoretical concept of health. Since at least the 1950s, epidemiology has gained in strength and legitimacy as an independent medical science that contributes to our knowledge of health and disease. Indeed, (...) it not only provides important information about disease distribution and aetiology, but the risk-factor approach it employs seems to challenge BST’s binary conception of health and disease. The objective of the article is to show, firstly, how important information deriving from descriptive and analytical epidemiology forms part of our contemporary medical concepts of health and disease, and secondly, that these elements are not taken into account by BST in a satisfactory way. The article’s central contention, therefore, is that if the project of defining the theoretical concept of health is to be maintained, more importance should be accorded to the contribution made by epidemiology—alongside physiology—in defining health. (shrink)

Our concept of disorder is changing. This causes problems for projects of descriptive conceptual analysis. Conceptual change means that a criterion that was necessary for a condition to be a disorder at one time may cease to be necessary a relatively short time later. Nevertheless, some conceptually based claims will be fairly robust. In particular, the claim that no adequate account of disorder can appeal only to biological facts can be maintained for the foreseeable future. This is because our current (...) concept of disorder continues to be laden with ethical and political values in multiple ways. (shrink)

The core idea of statistical accounts of biological functions is that to function normally is to provide a statistically typical contribution to some goal state of the organism. In this way, statistical accounts purport to naturalize the teleological notion of function in terms of statistical facts. Boorse’s, 542–573, 1977) original biostatistical account was criticized for failing to distinguish functions from malfunctions. Recently, many have attempted to circumvent the criticism, 519–541, 2012, Journal of Medicine and Philosophy, 39, 634–647, 2014). Here, I (...) review such attempts and find them inadequate. The reason, ultimately, is that functional attribution depends on how traits would behave in relevant situations, a condition that resists statistical characterizations in terms of how they typically behave. This, I conclude, undermines the attempt to naturalize functions in statistical terms. (shrink)

This essay replies to critics since 1995 of my “biostatistical theory” of health. According to the BST, a pathological condition is a state of statistically species-subnormal biological part-functional ability, relative to sex and age. Theoretical health, the total absence of pathological conditions, is then a value-free scientific notion. Recent critics offer a mixture of old and new objections to this analysis. Some new ones relate to choice of reference class, situation-specificity of function, common diseases and healthy populations, improvements in population (...) health, the practice of pathologists, “Cambridge changes” in health status, and comparative vs. absolute health concepts. I make no changes in doctrine, except to consider treating “normal aging” as pathological by taking young adults as the standard for all adults. (shrink)