Seeing Clearly: Global Health, Context, and the Ethics of Medical Practice

By Majid Sadigh, MD

As you prepare to travel in the name of medicine, the most important question is not what diseases you will see, but how you will learn to see them. Many anticipate unfamiliar pathologies and constrained environments—a medicine reduced to essentials. This is true, but incomplete. What you will encounter, more fundamentally, are the conditions that produce disease and shape its outcomes.

A child with pneumonia illustrates this clearly. In one setting, oxygen is immediate; in another, it depends on distance, cost, and availability. The biology is unchanged; the outcome is not. This gap—between what is medically possible and what is practically achievable—defines global health. It is not a geography, but a way of understanding medicine within systems of constraint.

To engage in global health is therefore not merely to travel, but to undergo an intellectual and ethical reorientation. Clinical training emphasizes certainty: diagnosis, evidence, intervention. Yet in many settings, context intervenes between knowledge and action. Decisions are shaped not only by what is known, but by what is available, feasible, and sustainable. Clinical reasoning becomes contingent—iterative, adaptive, and often negotiated in the presence of uncertainty.

The term “resource-limited” obscures more than it reveals. Scarcity is rarely natural; it is produced—through history, policy, and power. Patterns of disease reflect these structural determinants: poverty, infrastructure, workforce, and access. Biology remains necessary, but insufficient to explain outcomes. To see clearly is to recognize that disease is inseparable from the conditions in which it occurs.

This recognition transforms clinical practice. The question is no longer whether one knows the ideal intervention, but what constitutes the best possible decision within a given context. Guidelines, developed in well-resourced systems, often assume diagnostics and therapies that may not exist. The clinician must therefore recalibrate—balancing evidence with feasibility, and precision with pragmatism.

Such work demands humility. Good intentions do not guarantee good outcomes. In unfamiliar systems, the impulse to act may exceed one’s understanding. Ethical practice requires restraint: to recognize limits, to defer to local expertise, and to participate as a learner within existing structures of care. As Paul Farmer emphasized, what appears as “noncompliance” is often the visible expression of constraint.

The implications extend beyond the settings you will visit. The inequities encountered abroad are not exceptional; they are manifestations of structural disparities that persist, often less visibly, within all health systems. The enduring value of global health lies in cultivating a disciplined way of seeing—one that reveals inequity, challenges assumptions, and informs action wherever one practices.

To see clearly is to recognize that health is not merely a matter of biology, but of opportunity—and that where opportunity is uneven, responsibility is not optional.

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Author Bio

Majid Sadigh, MD, is the founding director of the Nuvance Health Global Health Academy. A physician-educator and humanitarian, he has devoted his career to advancing equitable global partnerships that train future leaders in medicine, education, and service.