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Yale University

Evolution and Medicine

Yale University via YouTube

Overview

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Explore the intersection of evolutionary biology and medical practice through this comprehensive lecture series that examines how evolutionary principles illuminate modern healthcare challenges. Delve into fundamental evolutionary concepts including natural selection, genetic variation, and adaptation while discovering their direct applications to medical research and clinical practice. Learn how individual genetic variation affects disease susceptibility, understand evolutionary conflicts in reproductive medicine, and examine the evolution of antibiotic resistance and pathogen virulence. Investigate emerging diseases through an evolutionary lens, explore aging as an evolutionary process, and analyze cancer as a dynamic evolutionary system. Master key evolutionary thinking styles including population and tree thinking that transform medical understanding. Examine what defines a patient from an evolutionary perspective, covering topics from ancient human history to modern developmental origins of health and disease. Understand disease classification through evolutionary frameworks, distinguishing between vulnerable versus robust and fixed versus adjustable conditions. Study the evolution and function of biological defenses, including both innate and adaptive immunity systems. Analyze pathogen evolution strategies, virulence factors, and approaches to evolution-proof therapies. Explore reproductive medicine through evolutionary insights, including placental invasion, parent-offspring conflict, menstruation, menopause, and childbirth complications. Investigate mismatch diseases resulting from evolutionary-modern environment conflicts, including obesity, diabetes, heart disease, and autoimmune conditions. Examine mental disorders including addiction, anxiety, depression, autism, and schizophrenia from evolutionary perspectives. Consider population-level consequences of individual medical decisions and understand how the Great Transition impacts contemporary health patterns and natural selection pressures.

Syllabus

0.0 - Welcome to Evolution and Medicine
1.1 - Evolutionary Thinking: Natural Selection
1.2 - Evolutionary Thinking: Random Evolution, The Role of Chance
1.3 - Evolutionary Thinking: Mismatch, a Major Cause of Maladaptation
1.4 - Evolutionary Thinking: Adaptation: Why it is Problematic and How to Recognize it
1.5 - Evolutionary Thinking: Styles of thought: Typological, Population, and Tree Thinking
2.1 - What is a patient? Ancient History
2.2 - What is a patient? Recent History
2.3 - What is a patient? Variation in disease resistance
2.4 - What is a patient? Variation in disease resistance
2.5 - What is a patient? Life history
2.6 - What is a patient? Plasticity and reaction norms
2.7 - What is a patient? Tradeoffs
2.8 - What is a patient? Aging
2.9 - What is a patient? The unusual human life history
2.10 - What is a patient? Developmental origins of health and disease
2.11 - What is a patient? Development and the microbiota
2.12 - What is a patient? Recap
3.1 - What is a disease? Introduction
3.2 - What is a disease? Vulnerable to robust
3.3 - What is a disease? Fixed to adjustable
3.4 - What is a disease? History and mismatch
4.1 - Defenses: Origin in homeostasis
4.2 - Defenses: Types and costs
4.3 - Defenses: Specialized 1
4.4 - Defenses: Specialized 2
4.5 - Defenses: Diseases
4.6 - Defenses: Key characteristics
4.7 - Defenses: Strategies 1
4.8 - Defenses: Strategies 2
4.9 - Defenses: Innate immunity
4.10 - Defenses: Adaptive immunity
4.11 - Defenses: Clonal evolution
5.1 - Pathogen evolution: Virulence 1
5.2 - Pathogen evolution: Virulence 2
5.3 - Pathogen evolution: Managing the microbiota
5.4 - Pathogen evolution: Evading defenses
5.5 - Pathogen evolution: Resistance
5.6 - Pathogen evolution: Evolution-proof therapies
6.1 - Cancer: Introduction
6.2 - Cancer: Why we are susceptible
6.3 - Cancer: Clonal evolution
6.4 - Cancer: Phylogenetic insights
6.5 - Cancer: Evading the immune system
6.6 - Cancer: Adaptive chemotherapy
7.1 - Reproduction: The evolution of mammalian reproduction
7.2 - Reproduction: Invasive placentas and risk of metastatic cancer
7.3 - Reproduction: Parent-offspring conflict
7.4 - Reproduction: Menstruation
7.5 - Reproduction: Menopause
7.6 - Reproduction: Upright posture and childbirth
8.1 - Mismatch: Introduction
8.2 - Mismatch: Evidence from time and space
8.3 - Mismatch: Obesity
8.4 - Mismatch: Type 2 diabetes
8.5 - Mismatch: Heart disease and cancer
8.6 - Mismatch: Hygiene and Old Friends
9.1 - Mental disorders: Explanations
9.2 - Mental disorders: Drug addiction
9.3 - Mental disorders: Anxiety, depression, and OCD
9.4 - Mental disorders: Autism and schizophrenia
10.1 - Population consequences of individual decisions
10.2 - The Great Transition and its impacts on health, disease, and selection
11.1 - Open questions
11.2 - Classical and evolutionary medicine

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