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Online Course

Evolutionary Medicine: Microbes, Medicine, and Humanity's Quest for Survival

Arizona State University via edX

Overview

Have you ever wondered why we often develop a fever when we get sick? Or a cough? Why do we get cancer? Or the flu? Or allergies? Why do our bodies succumb to disease at all? In this class, we’ll answer these questions by taking a step back in time to consider how our evolutionary past has shaped our health in the present.

Evolutionary medicine integrates an evolutionary biology and anthropology lens with current medical knowledge to enhance our understanding of human health. This class uses topics such as development and aging, human migration, mortality, diseases (infectious, metabolic, and autoimmune), and physiological and behavioral mechanisms of immunity to explore the broad arena of human health within a deep time and global context.

Using this perspective, we will investigate how human populations have co-evolved with microbes for millennia, how our changing environments intersect with our genes to shape phenotypes, how culture and other social factors may influence disease risk, and how to address current emerging health challenges across the globe.

Skills-based course answers :

Taught by faculty in the fields of anthropology, biology, and medicine, this course will prepare students to use evolutionary medicine as a foundation for approaching problems within professional arenas such as medicine, public health, and global health policymaking. Additionally, students can use this course as a skill bridge to other classes related to the applied health sciences.

Syllabus

Week 1: Why do we get sick?

An introduction to sickness behaviors and the immune system through an examination of subject-specific examples such as smallpox, tuberculosis, influenza, and other infectious diseases.

Week 2: Why does selection leave our bodies vulnerable?

The basics of evolutionary theory in the context of how humans have evolved defenses against disease. We consider how our species evolved in environments quite different from our modern world, and how this results in mismatches and tradeoffs in our health.

Week 3: What can our evolutionary past tell us about our health in the present?

An introduction to co-evolution between humans and pathogens, and the factors that affect pathogen virulence and transmission. We’ll examine the “Old Friends” Hypothesis, vaccination, and the emergence of autoimmune and metabolic diseases.

Week 4: How can evolutionary medicine be used to tackle emerging and future health crises?

We’ll examine emerging and waning health threats such as measles, Ebola, and zika in a global and public health context while also considering changing environments and the impact on pathogenicity. In addition, we explore the applications of an evolutionary medicine perspective to global health policymaking.

Taught by

Randolph Nesse, MD, Katie Hinde, PhD, Silvie Huijben, PhD, Noah Snyder-Mackler, PhD, Benjamin Trumble, PhD, Melissa Wilson, PhD and Hallie M. Edmonds, PhD

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