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"Nothing in biology makes sense except in the light of evolution." - Theodosius Dobzhansky, prominent early geneticist Can evolution advance our understanding of human well-being? The emerging sciences of Darwinian Medicine, Evolutionary Psychology, and Ancestral Health certainly confirm that it can, and that it does. Bringing these and other disciplines together, science writer Kevin Holbrook tells a compelling story about our species, one that embeds scientific knowledge within the logical framework of evolution, drawing from the diverse world of evolutionary theory in order to shed light on what it means to be healthy, happy, and human. Evolution is the guiding principle of biology. It is the unifying theory of the life sciences. It is considered by many to be the most important idea to have ever occurred to anyone in the history of human thought. And like Dobzhansky's famous dictum, nothing in life makes sense except in the light of evolution. In this far-reaching and important work, Holbrook tells a compelling story about our species that identifies the true causes of modern mental and physical disease, and lists practical strategies to attain well-being at the end of each chapter. Using the tools of science, logic, and strategy, Holbrook looks closely at diet, movement, sleep, happiness, nature, sociality, virtue, and sustainability in order to integrate these parts into a cohesive whole. Far more than a health book, this comprehensive work inspires an understanding of the nature of the world, ourselves, and the miracle of life, covering an impressive array of topics relevant to one's well-being, including longevity, stress, muscle building, fat loss, nutrition, exercise, posture, energy, productivity, life satisfaction, bonding mechanisms, social status, attraction, beauty, and much more. In candid language, this book takes you on a journey to discover the human animal of yesterday in order to decipher what it means for the human being today.
A landmark book of popular science that gives us a lucid and engaging account of how the human body evolved over millions of years—with charts and line drawings throughout. “Fascinating.... A readable introduction to the whole field and great on the making of our physicality.”—Nature In this book, Daniel E. Lieberman illuminates the major transformations that contributed to key adaptations to the body: the rise of bipedalism; the shift to a non-fruit-based diet; the advent of hunting and gathering; and how cultural changes like the Agricultural and Industrial Revolutions have impacted us physically. He shows how the increasing disparity between the jumble of adaptations in our Stone Age bodies and advancements in the modern world is occasioning a paradox: greater longevity but increased chronic disease. And finally—provocatively—he advocates the use of evolutionary information to help nudge, push, and sometimes even compel us to create a more salubrious environment and pursue better lifestyles.
The Arthur M. Sackler Colloquia of the National Academy of Sciences address scientific topics of broad and current interest, cutting across the boundaries of traditional disciplines. Each year, four or five such colloquia are scheduled, typically two days in length and international in scope. Colloquia are organized by a member of the Academy, often with the assistance of an organizing committee, and feature presentations by leading scientists in the field and discussions with a hundred or more researchers with an interest in the topic. Colloquia presentations are recorded and posted on the National Academy of Sciences Sackler colloquia website and published on CD-ROM. These Colloquia are made possible by a generous gift from Mrs. Jill Sackler, in memory of her husband, Arthur M. Sackler.
The current extinction crisis is of human making, and any favorable resolution of that biodiversity crisis-among the most dire in the 4-billion-year history of Earth-will have to be initiated by mankind. Little time remains for the public, corporations, and governments to awaken to the magnitude of what is at stake. This book aims to assist that critical educational mission, synthesizing recent scientific information and ideas about threats to biodiversity in the past, present, and projected future. This is the second volume from the In the Light of Evolution series, based on a series of Arthur M. Sackler colloquia, and designed to promote the evolutionary sciences. Each installment explores evolutionary perspectives on a particular biological topic that is scientifically intriguing but also has special relevance to contemporary societal issues or challenges. Individually and collectively, the ILE series aims to interpret phenomena in various areas of biology through the lens of evolution, address some of the most intellectually engaging as well as pragmatically important societal issues of our times, and foster a greater appreciation of evolutionary biology as a consolidating foundation for the life sciences.
Everything you were taught about evolution is wrong.
Consider that you were asked how to ensure human survival. Where would you begin? Conservation of resources jumps to mind. We need to conserve resources in order that economic activities may continue. Alas, this is a false start. Resources are always defined by a given economic system, and only it determines what is and what is not a resource. Therefore, conserving resources implies only the perpetua tion of the appropriate economic system. Conservation of resources as we know them has nothing to do with the survival of mankind, but it has very much to do with the survival of the industrial system and society we live in today. We have to start, therefore, at a more basic level. This level, some may argue, is addressed by ensuring for human beings "clean genes. " Again, this is a mistaken beginning. It is thoroughly mistaken-for reasons of science. It is a false start because malfunctioning organs and morphological structures are not only due to deleterious hereditary factors but particularly due to unfavorable environments during early growth and development. Moreover, eugenics is not acceptable to any but a small fraction of society. Eugenics may not be irrelevant to our future, but is premature and should be of little concern until we understand how human genes and environment interact.
An argument that health is optimal responsiveness and is often best treated at the system level. Medical education centers on the venerable “no-fault” concept of homeostasis, whereby local mechanisms impose constancy by correcting errors, and the brain serves mainly for emergencies. Yet, it turns out that most parameters are not constant; moreover, despite the importance of local mechanisms, the brain is definitely in charge. In this book, the eminent neuroscientist Peter Sterling describes a broader concept: allostasis (coined by Sterling and Joseph Eyer in the 1980s), whereby the brain anticipates needs and efficiently mobilizes supplies to prevent errors. Allostasis evolved early, Sterling explains, to optimize energy efficiency, relying heavily on brain circuits that deliver a brief reward for each positive surprise. Modern life so reduces the opportunities for surprise that we are driven to seek it in consumption: bigger burgers, more opioids, and innumerable activities that involve higher carbon emissions. The consequences include addiction, obesity, type 2 diabetes, and climate change. Sterling concludes that solutions must go beyond the merely technical to restore possibilities for daily small rewards and revivify the capacities for egalitarianism that were hard-wired into our nature. Sterling explains that allostasis offers what is not found in any medical textbook: principled definitions of health and disease: health as the capacity for adaptive variation and disease as shrinkage of that capacity. Sterling argues that since health is optimal responsiveness, many significant conditions are best treated at the system level.
The social contexts in which children develop have transformed over recent decades, but also over millennia. Modern parenting practices have diverged greatly from ancestral practices, which included natural childbirth, extensive and on-demand breastfeeding, constant touch, responsiveness to the needs of the child, free play in nature with multiple-aged playmates, and multiple adult caregivers. Only recently have scientists begun to document the outcomes for the presence or absence of such parenting practices, but early results indicate that psychological wellbeing is impacted by these factors. Ancestral Landscapes in Human Evolution addresses how a shift in the way we parent can influence child outcomes. It examines evolved contexts for mammalian development, optimal and suboptimal contexts for human evolved needs, and the effects on childrens development and human wellbeing. Bringing together an interdisciplinary set of renowned contributors, this volume examines how different parenting styles and cultural personality influence one another. Chapters discuss the nature of childrearing, social relationships, the range of personalities people exhibit, the social and moral skills expected of adults, and what wellbeing looks like. As a solid knowledge base regarding normal development is considered integral to understanding psychopathology, this volume also focuses on the effects of early childhood maltreatment. By increasing our understanding of basic mammalian emotional and motivational needs in contexts representative of our ancestral conditions, we may be in a better position to facilitate changes in social structures and systems that better support optimal human development. This book will be a unique resource for researchers and students in psychology, anthropology, and psychiatry, as well as professionals in public health, social work, clinical psychology, and early care and education.
There is a paradox when it comes to Darwinian ideas within the academy. On one hand, Darwin's theories have famously changed the foundational ideas related to the origins of life, shaping entire disciplines in the biological sciences. On the other hand, people in educated societies across the globe today are famously misinformed and uneducated about Darwinian principles and ideas. Applications of evolutionary theory outside the traditional areas of biology have been slow to progress, and scholars doing such work regularly run into all kinds of political backlash. However, a slow but steady push to advance the teaching of evolution across academic disciplines has been under way for more than a decade. This book serves to integrate the vast literature in the interdisciplinary field of Evolutionary Studies (EvoS), providing clear examples of how evolutionary concepts relate to all facets of life. Further, this book provides chapters dedicated to the processes associated with an EvoS education, including examples of how an interdisciplinary approach to evolutionary theory has been implemented successfully at various colleges, universities, and degree programs. This book also offers chapters outlining a variety of applications to an evolution education, including improved sustainable development, medical practices, and creative and critical thinking skills. Exploring controversies surrounding evolution education, this volume provides a roadmap to asking and answering Darwinian questions across all areas of intellectual inquiry.
The brief presents a model for happiness based on current knowledge in evolutionary biology and neurobiology. Briefly, the primary purpose of nervous systems is to direct an animal toward behaviour relevant for survival and procreation. In primitive animals actions are based on reflexes, while in humans the modules directing behaviour engage positive and negative affect (good and bad feelings), and they are swayed by cognitive processes. The reason why evolution opted for this strategy was the improved flexibility in response – i.e., we learn from previous experiences. The human capacity for happiness is an accidental consequence. An array of brain modules has evolved to care for various pursuits, but recent studies suggest that they converge on shared neural circuits designed to generate positive and negative mood. Happiness can be construed as the net output of the relevant modules. The briefs suggests a strategy for how to avoid having negative feelings (such as anxiety, depression and chronic pain) dominate the mind, and how to exercise positive feelings. In short, the book offers both a deeper understanding of what happiness is about, and a framework for improving well-being. An array of brain modules has evolved to care for various pursuits, but recent studies suggest that they converge on shared neural circuits designed to generate positive and negative mood. Happiness can be construed as the net output of the relevant modules. The book suggests a strategy for how to avoid having negative feelings (such as anxiety, depression and chronic pain) dominate the mind, and how to exercise positive feelings. In short, the book offers both a deeper understanding of what happiness is about, and a framework for improving well-being.