Survival of the Sickest
Sharon Moalem
Uncover the startling evolutionary secrets behind modern illnesses as you learn how conditions like diabetes and anemia once served as life-saving adaptations against ancient environmental threats. This journey through our genetic history transforms your understanding of health, revealing that many biological "flaws" are actually brilliant, lingering legacies of human survival.
Iron Overload and the Black Death
Exploring how hemochromatosis, a lethal iron-loading disease, actually saved ancestors from the Bubonic Plague by starving bacteria of the nutrients they need to thrive.
The Deadly Iron Gift
Starving the Black Death
The Evolution of 'Sick' Genes
The Antifreeze Solution
Investigating the link between Type 1 diabetes and the sudden onset of the Younger Dryas ice age, suggesting high blood sugar served as a biological antifreeze.
Nature's Cryoprotectant
Diabetes and the Big Chill
Brown Fat and Cold Survival
Sunlight, Skin, and Cholesterol
The delicate evolutionary dance between Vitamin D production and Folate protection, mediated by skin color and sunlight exposure.
The Folate-Vitamin D Paradox
The Cholesterol Connection
The Fava Bean Defense
Examining how dietary habits and genetic mutations like G6PD deficiency create a hostile environment for malaria parasites.
Favism and Malaria
The Poison in the Plate
Of Microbes and Men
Exploring the manipulative world of parasites and the co-evolutionary arms race between hosts and pathogens.
The Puppet Masters
The Virulence Trade-off
The Guinea Worm Strategy
Jumpstarting Evolution
Introduction to epigenetics and the 'Jumping Genes' that allow organisms to adapt rapidly to environmental stress.
Lamarck's Revenge
Jumping Genes
The Thrifty Phenotype
The Toll of Aging
Understanding why we age and why evolution has not eliminated the processes that lead to our inevitable decline.
Telomeres and the Hayflick Limit
Progeria and Rapid Aging
A New Perspective on Health
Synthesizing the lessons of evolutionary medicine to change how we treat and perceive illness in the modern world.
The Survival Machine
Designing the Future
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Interactive Socratic dialogue, level by level