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Books > Medicine > Pre-clinical medicine: basic sciences > Human reproduction, growth & development > Human growth & development > Maturation & ageing
determined by an inability to move in response to touch. C. elegans develop through four larval stages following hatching and prior to adulthood. Adult C. elegans are reproductive for about the rst week of adulthood followed by approximately two weeks of post-reproductive adulthood prior to death. Life span is most commonly measured in the laboratory by maintaining the worms on the surface of a nutrie- agar medium (Nematode Growth Medium, NGM) with E. coli OP50 as the bacterial food source (REF). Alternative culture conditions have been described in liquid media; however, these are not widely used for longevity studies. Longevity of the commonly used wild type C. elegans hermaphrodite (N2) varies ? from 16 to 23 days under standard laboratory conditions (20 C, NGM agar, E. coli OP50 food source). Life span can be increased by maintaining animals at lower ambient temperatures and shortened by raising the ambient temperature. Use of a killed bacterial food source, rather than live E. coli, increases lifespan by 2-4 days, and growth of adult animals in the absence of bacteria (axenic growth or bac- rial deprivation) increases median life span to 32-38 days [3, 23, 24]. Under both standard laboratory conditions and bacterial deprivation conditions, wild-derived C. elegans hermaphrodites exhibit longevity comparable to N2 animals [25].
This book investigates the various processes that are affected by the age of an organism. Several new tools for the analysis of biological aging have been introduced recently, and this volume provides methods and protocols for these new techniques in addition to its coverage of established procedures. Researchers seeking new technology and techniques will find this volume of tremendous benefit as they move towards new directions.
Many books on ageing attempt to cover the whole field of gerontology. However, since gerontology is now such a diversified and rapidly expanding subject, the results of such attempts tend to be either incomprehensible compendia or encyc10pedias of disheartening size. The present book aims to be both more modest and more ambitious. It focuses on a single object (Drosophila), but attempts to off er a synthesis of all the gerontological work that has been done on it. It also aims to show the extent to which this work has led to an understanding of the biological phenomena of ageing, longevity, senescence and death in higher organisms, inc1uding man. Finally it attempts, on the basis of current knowledge, to mark out the paths that the next generation of researchers will most probably follow. Drosophila has been used as a model organism to advance our basic knowledge of the fundamentals of genetics and gerontology. It may be noted that the pioneering work on the genetics of ageing, which used Drosophila, began very early in this century, within the first decade of the rediscovery of Mendel's laws.
A deliciously funny and sage guide to midlife - an unscientific, flaws-and-all account of one woman's adventures and misadventures through the dark comedy of the wilderness years. Through her own experiences as a fifty-something woman, and those of her three sisters, her indomitable mum and rebellious auntie, Charlotte tackles the big questions every woman seeks answers to at this time of our lives - chiefly: How the hell am I going to get over being young in a world obsessed with youth? Written with warmth, wisdom and irreverence this guide to midlife is perfect for readers of Nora Ephron, Caitlin Moran and India Knight.
In The Menopause Manifesto internationally renowned, New York Times
bestselling author Dr Jen Gunter brings you empowerment through
knowledge by countering stubborn myths and misunderstandings about
menopause with hard facts, real science, fascinating historical
perspective and expert advice.
Filled with practical, reassuring information, this essential guide will revolutionise how women experience menopause - including how their lives can be even better for it!
As the older population in the United States is becoming more racially and ethnically diverse, it is important to understand the characteristics, the potential, and the needs of this population. In this new and fully revised edition of Aging and Diversity, Chandra Mehrotra and Lisa Wagner address key topics in diversity and aging, discussing how the aging experience is affected by not only race and ethnicity but also gender, religious affiliation, social class, rural-urban community location, and sexual orientation and gender identity. Taking this broad view of human diversity allows the authors to convey some of the rich complexities facing our aging population - complexities that provide both challenges to meet the needs of a diverse population of elders and opportunities to learn how to live in a pluralistic society. Mehrotra and Wagner present up-to-date knowledge and scholarship about aging and diversity in a way that engages readers in active learning, placing ongoing emphasis on developing readers' knowledge and skills, fostering higher order thinking, and encouraging exploration of personal values and attitudes.
This volume is an outgrowth ofcontemporary research on development over the adult lifespan, which by now has burgeoned and developed both nationally and internationally. However, for us, the impetus to be involved in this area was spawned and nurtured by our initial association with the Society for Research in Adult Development (SRAD) with its origins some 15 years ago by Michael Commonsand his associates inCambridge, Massachusetts. Throughthegood will and support of this society, we also became, and are still, heavily involved with the Journal of Adult Development and the Kluwer-Plenum Monograph Series on Adult Development and Aging, ofwhich this volume is a companion. Many ofthe contributions in the volume are from SRAD members, who con sistently adhere to a focus on positive adult development. Their chapters have been complemented by pieces from other researchers, who have adopted more mainstream approaches to adult development and/oraging. Regardless ofthe par ticular approach and/or focus of the chapter, all the work reported herein sup ports the relatively recent idea that development is not restricted to children and adolescents but continues throughout the adult lifespan in ways that we never envisionedsome 20 years ago. Thus, the volume represents state-of-the-arttheory, research, and practice on adult development, which has the potential to occupy us all for some time to come."
Aging is an almost universal process within biological systems, one which leads to a decline in functional capacity, disease onset, and eventually death. There has been much interest in recent years to elucidate the molecular mec- nisms that underlie the aging process. Many theories have been proposed since the last century that aim to explain the causes of aging. There is no one theory that completely satisfies the phenotype of aging, but genetics and environm- tal factors play an important role in the etiology of age-related pathologies and the aging process. However, there is still much to be learned about the aging process which has been termed one of the last great frontiers in biology. De- graphic changes worldwide are leading to increased average life expectancies within our populations. These changes in population characteristics will impact upon the economies of the supporting society, with increasing healthcare and infrastructural costs arising from the prevalence of age-related pathologies and other physical disabilities associated with advancing years. Many researchers worldwide are working in the attempt to identify key cellular processes through which it might one day be possible to slow down the aging process and thus increase the health span of humans. Numerous research projects-from the cellular through to tissue, organ, and whole organism studies-are currently underway to investigate the mul- factorial aging process.
The proportion of elderly people continues to increase in the western world-nearly a quarter of the population will be over 65 years by the year 2050. Since aging is accompanied by an increase in diseases and by a deterioration in well-being, finding solutions to these social, medical and psychological problems is necessarily a major goal for society. Scientists and medical practitioners are therefore faced with the urgent task of increasing basic knowledge of the biological processes that cause aging. More resources must be put into this research in order to achieve better understanding of the cellular mechanisms that underlie the differences in life span between species and to answer the difficult questions of why some individuals age more quickly than others, and why some develop liver problems, some have heart problems, and others brain problems. The results of such a wide program of research will provide important information about the causes of many life-threatening and/ or debilitating diseases of old age; it will help find ways to prevent some of the ailments that result from aging, and it may well lead to discoveries enabling the prolongation of human life.
From the author of the New York Times bestseller The Plant Paradox comes a groundbreaking plan for living a long, healthy, happy life. From the moment we are born, our cells begin to age. But aging does not have to mean decline. World-renowned surgeon Dr. Steven Gundry has been treating mature patients for most of his career. He knows that everyone thinks they want to live forever, until they hit middle age and witness the suffering of their parents and even their peers. So how do we solve the paradox of wanting to live to a ripe old age-but enjoy the benefits of youth? This groundbreaking book holds the answer. Working with thousands of patients, Dr. Gundry has discovered that the "diseases of aging" we most fear are not simply a function of age; rather, they are a byproduct of the way we have lived over the decades. In The Longevity Paradox, he maps out a new approach to aging well-one that is based on supporting the health of the "oldest" parts of us: the microorganisms that live within our bodies. Our gut bugs-the bacteria that make up the microbiome-largely determine our health over the years. From diseases like cancer and Alzheimer's to common ailments like arthritis to our weight and the appearance of our skin, these bugs are in the driver's seat, controlling our quality of life as we age. The good news is, it's never too late to support these microbes and give them what they need to help them-and you-thrive. In The Longevity Paradox, Dr. Gundry outlines a nutrition and lifestyle plan to support gut health and live well for decades to come. A progressive take on the new science of aging, The Longevity Paradox offers an action plan to prevent and reverse disease as well as simple hacks to help anyone look and feel younger and more vital.
Can ageing really be a positive experience? Yes. You can make a difference to your own ageing process. Research shows that how we think about ageing can have a significant impact on our health and wellbeing in later life. The Ten Steps of Positive Ageing challenges and debunks the inaccurate and negative attitudes that may be contaminating your outlook on getting older, and provides a clear, practical road map for exerting more choice and control over the ageing process. Concentrating on the psychological and emotional aspects of getting older, and deploying a range of personal development techniques, The Ten Steps of Positive Ageing provides you with the keys to a happier and more fulfilled later life. This is the book for those of us who want to do ageing differently.
As the older population in the United States is becoming more racially and ethnically diverse, it is important to understand the characteristics, the potential, and the needs of this population. In this new and fully revised edition of Aging and Diversity, Chandra Mehrotra and Lisa Wagner address key topics in diversity and aging, discussing how the aging experience is affected by not only race and ethnicity but also gender, religious affiliation, social class, rural-urban community location, and sexual orientation and gender identity. Taking this broad view of human diversity allows the authors to convey some of the rich complexities facing our aging population - complexities that provide both challenges to meet the needs of a diverse population of elders and opportunities to learn how to live in a pluralistic society. Mehrotra and Wagner present up-to-date knowledge and scholarship about aging and diversity in a way that engages readers in active learning, placing ongoing emphasis on developing readers' knowledge and skills, fostering higher order thinking, and encouraging exploration of personal values and attitudes.
Keeping active, moving well, and stretching regularly are all important in living a long, healthy, and happy life. In Stay Young with Yoga, yoga teacher Nicola Jane Hobbs shows you how to stay flexible, energised and pain-free in your 40s, 50s, 60s and beyond. Whether you want to move better, get stronger, ease aches and pains, or simply feel fitter and healthier, Nicola guides you through over 70 simple poses and 20 easy-to-practise sequences, with variations and modifications so you can choose poses and sequences that suit you. With routines designed to fit in with your lifestyle, including morning sequences, desk stretches, de-stress routines, sequences to practice after gardening, housework, and in front of the TV, as well as routines for pain-free movement, workouts for strength and fitness, and routines to support your other hobbies like golf, tennis, and dancing, Stay Young with Yoga will give you the tools to get stronger, fitter and healthier whatever your age.
This book provides a state-of-the-art overview of key areas of subcellular aging research in human cells. The reader is introduced to the historical development and progress in biomedical aging research and learns, for example, about the role of microRNAs, circRNAs, mitochondria and extracellular vesicles in cellular senescence. The reader will also learn more about how gap junctions, the nuclear pore complex and the proteasome are affecting the ageing processes. In addition, novel therapeutic opportunities through modulation of cellular senescence are discussed. The book follows on from Parts I and II of Biochemistry and Cell Biology of Ageing (Volumes 90 and 91 of the Subcellular Biochemistry book series) by covering interesting and significant biomedical ageing topics not included in the earlier volumes. Comprehensive and cutting-edge, this book is a valuable resource for experienced researchers and early career scientist alike, who are interested in learning more about the fascinating and challenging question of why and how our cells age.
Think diet and exercise are the keys to a long, healthy life? What can you do to increase the likelihood of living a happy, healthy, fulfilling life into your sixties, seventies, eighties, and beyond? For more than five decades Harvard Medical School has studied the basic elements of adult human development, analyzing the health and happiness of hundreds of individuals from a wide variety of backgrounds. In Aging Well, George E. Vaillant, M.D., the director of the study, draws on the data gathered and reveals for the first time why some people turn out to be more resilient than others. His surprising conclusion is that individual lifestyle choices play a greater role than genetics, wealth, race, or other factors in determining how happy people are in later life. Among the topics Dr. Vaillant explores:
With its step-by-step advice and its revelation of scientific secrets, this inspiring book can help you — whether you are thirty-five or sixty-five — ensure that your golden years are truly golden.
When Near Becomes Far explores the representations and depictions of old age in the rabbinic Jewish literature of late antiquity (150-600 CE). Through close literary readings and cultural analysis, the book reveals the gaps and tensions between idealized images of old age on the one hand, and the psychologically, physiologically, and socially complicated realities of aging on the other hand. The authors argue that while rabbinic literature presents a number of prescriptions related to qualities and activities that make for good old age, the respect and reverence that the elderly should be awarded, and harmonious intergenerational relationship, it also includes multiple anecdotes and narratives that portray aging in much more nuanced and poignant ways. These anecdotes and narratives relate, alongside fantasies about blissful or unnoticeable aging, a host of fears associated with old age: from the loss of physical capability and beauty to the loss of memory and mental acuity, and from marginalization in the community to being experienced as a burden by one's children. Each chapter of the book focuses on a different aspect of aging in the rabbinic world: bodily appearance and sexuality, family relations, intellectual and cognitive prowess, honor and shame, and social roles and identity. As the book shows, in their powerful and sensitive treatments of aging, rabbinic texts offer some of the richest and most audacious observations on aging in ancient world literature, many of which still resonate today.
This text offers a readable and friendly presentation of the important methods, findings, and theories of human aging, while actively involving the reader in meaningful exercises and critical thinking. Students are repeatedly challenged to apply information in the text to the older adults in their own lives. Specifically, suggestions for enhancing the lives of their older relatives are offered and encouraged. These include guidelines for discussions they might have regarding social, emotional, and environmental changes as well encouraging intellectual and social interaction. In this Edition: Emphasis on the science of the study of aging and why questions in aging are difficult to answer, how social scientists attempt to handle such difficulties, and the successes and failures social scientists have had thus far in answering those questions. The text also demonstrates how current research findings are now being applied in the real world and/or how they might be applied in the future. Cross-cultural comparisons and ethnic group comparisons are included wherever possible. Each chapter begins with "Senior View," which introduces students to a real person and gives them a chance to hear what older adults think and say about important issues related to the chapter and a chance to compare those opinions to the research findings. Each chapter ends with "Making Choices," emphasizing the important behavioral, emotional, and social choices that students can make now to prolong a healthy, happy life. "Chapter Projects" offer the opportunity for active learning, as students investigate for themselves an issue related to the chapter. Instructors can expand these projects for students who want to learn more, or for independent study. "Focus on Aging" boxes compliment the material in the text, providing additional insight and examples, and encouraging critical thinking. Every chapter includes discussion questions, study questions, chapter exercises, and related online resources.
The graying of the U.S. population draws increasing focus to historically unattended segments of society, including sexual and gender minorities. In this first comprehensive volume to address the challenges of aging in the gay, lesbian, bisexual, transgender, and intersex populations, this text presents what is currently known about aging GLBT individuals and what services are needed to support them. The editors first provide an introductory overview comparing caregiving in GLBT and normative aging communities. In chapters devoted to the issues of each alternative sexuality and gender identity community, top experts in the field discuss biomedical, psychological, social/sexual, spiritual, socioeconomic, and service topics related to that community's aging needs. GLBT populations face unique challenges as they age. Despite the often severe difficulties they encounter, many live out their final years with the dignity and grace that all of us deserve. With a combination of the latest biological and social science research, moving case studies and first-person accounts, practical advice for health professionals, and research literature citations, this book represents a major step forward in addressing concerns of aging GLBT populations. Integrating research, practice, and policy, this text is for students and professionals in gerontology, medicine, social work, psychology, nursing, public health, and related fields who wish to learn more about the life experiences and concerns of sexual- and gender-minority-identified older patients.
Biology of Aging, Second Edition presents the biological principles that have led to a new understanding of the causes of aging and describes how these basic principles help one to understand the human experience of biological aging, longevity, and age-related disease. Intended for undergraduate biology students, it describes how the rate of biological aging is measured; explores the mechanisms underlying cellular aging; discusses the genetic pathways that affect longevity in various organisms; outlines the normal age-related changes and the functional decline that occurs in physiological systems over the lifespan; and considers the implications of modulating the rate of aging and longevity. The book also includes end-of-chapter discussion questions to help students assess their knowledge of the material. Roger McDonald received his Ph.D. from the University of Southern California and is Professor Emeritus in the Department of Nutrition at the University of California, Davis. Dr. McDonald's research focused on mechanisms of cellular aging and the interaction between nutrition and aging. His research addressed two key topics in the field: the relationship between dietary restriction and lifespan, and the effect of aging on circadian rhythms and hypothalamic regulation. You can contact Dr. McDonald at [email protected]. Related Titles Ahmad, S. I., ed. Aging: Exploring a Complex Phenomenon (ISBN 978-1-1381-9697-1) Moody, H. R. & J. Sasser. Gerontology: The Basics (ISBN 978-1-1387-7582-4) Timiras, P. S. Physiological Basis of Aging and Geriatrics (ISBN 978-0-8493-7305-3)
As an objective of human security, it is important to understand the social system and to make more appropriate policies for people based on the bio-psycho-social viewpoint of health advocated by the World Health Organization (WHO). For countries with increasingly large populations of older adults, aging-related disorders cause many social handicaps. A comprehensive approach for integrating not only medical, but also psychosocial and spiritual viewpoints is needed for better health policy planning.During a risky situation such as a major disaster, which can critically affect peoples lives, people should utilize their brains more fully in order to survive; i.e., to understand the situation around them, to make a proper judgment call, and to choose their behaviors. All of these approaches are associated with brain functions. Understanding the situation primarily requires the posterior part of the brain, especially the parietal lobe.Briefly, the occipital, temporal, parietal, and frontal lobes are related to visual, auditory, other sensory, and motor functions, respectively. Each lobe has primary and secondary areas: The former is associated with primary function, whereas the latter is related to association functions, which add meaning to the primary information. In particular, visual and auditory information should be fully integrated to understand the situation and make a judgment call, which is the function of the parietal lobe.Human Security: Social Support for the Health of an Aging Population Based on Geriatric Behavioral Neurology is meant to help readers understand the bio-psycho-social viewpoint and bioethics of social support for elderly people. The second aim is to understand the social support system and Quality of Life (QOL) for handicapped and elderly people. Especially, the long-term care insurance system for elderly people in Japan, which is a well-organized system to support well-being in the elderly, needs to be understood. Also, dementia is one of the important age-related disorders that can affect not only patients themselves, but also their families, community residents, and society. The third objective is to understand dementia and dementing diseases, not only from a medical perspective, but in terms of psychosocial and spiritual aspects. Following the Great East Japan Earthquake of 2011, various cases of weakness due to the disaster were analyzed. Most of them were previously assessed as a borderline condition between healthy and dementia. Therefore, it is important to routinely screen community residents for security.All risky situations such as a disaster should be treated internationally. The author recalls that one student told them that the Indonesian government faces difficulties in preparing for a disaster with a unified language. Indeed, more than 700 regional languages are spoken in Indonesias numerous islands. However, disasters do not select a language. The author is certain that there are some lessons from their history that have not been recorded in a common language. It is important to establish a network based not only on local culture and language, but also a global proposal based on a common language.The author hopes that young scientists in the next generation will have an integrated perspective and will apply science to human security worldwide.
'Dr Anna Dixon has written a must-read for anyone interested in the future of ageing. Learn from one of the best informed about an issue, and opportunity, that is facing us all.' Andy Briggs, Head of FTSE 100 life insurer Phoenix Group 'A very important book' Sir Muir Gray The Age of Ageing Better? takes a radically different view of what our ageing society means. Dr Anna Dixon turns the misleading and depressing narrative of burden and massive extra cost of people living longer on its head and shows how our society could thrive if we started thinking differently. This book shines a spotlight on how as a society we're currently failing to respond to the shifting age profile - and what needs to change. Examining key areas of society including health, financial security, where and how people live, and social connections, Anna Dixon presents a refreshingly optimistic vision for the future that could change the way we value later life in every sense.
The scientific study of aging is a relatively nascent field of inquiry. Although philosophic and literary reflections on what it means to grow older appear in the earliest historical records, the systematic study of aging began in earnest about a century ago. Scholarly interest in the topic has accelerated in recent decades, due in part to rapid population aging in developed nations. As a result, the study of aging has been incorporated into many disciplines, emphasizing concepts, theories, and methods to elucidate the antecedents and consequences of growing older. Although each discipline has key concepts and empirical generalizations about aging, there is little agreement across disciplines about the intellectual core of gerontology. Each discipline brings its own intellectual heritage and perspective to the study of aging, but the question posed by author Ken Ferraro is whether there is an emergent perspective or way of thinking about aging that transcends the disciplines. Biologists, psychologists, and sociologists may claim an interest in gerontology, but do they have a common image of aging or a set of principles to guide their research? Do they share a paradigm-a fundamental image of aging-that incorporates concepts and empirical generalizations from multiple disciplines? And when disciplinary approaches to gerontology clash, which approach or conceptualization of aging is likely to emerge as part of the paradigm? Although biologists, psychologists, and social scientists share an interest in the study of aging, they are distinctive in how they conduct their research. The Gerontological Imagination provides an integrative paradigm of aging that makes it the first book to identify intellectual common ground among scholars studying aging. Ferraro identifies an underlying set of principles that constitute a paradigm for the study of aging: causality, life course analysis, multifaceted change, heterogeneity, accumulation processes, and ageism. The proposed paradigm provides an efficient way to identify and interpret essential ideas, findings, models, and theories across multiple disciplines that study aging.
This new book will enable family practitioners, obstetricians and pediatricians to answer the concerns of the families in their care. It is the first book to make information on this important topic so easily accessible to clinicians. The book is firmly rooted in clinical practice and based on many years of experience, much of it involving the development and implementation of new techniques for examining the fetus in utero. The techniques now available are assessed and better ways to identify pregnancies which are eligible to their application are proposed. The authors describe both the sampling and laboratory techniques available. Other sections cover both predictable and unpredictable pregnancy risks from genetic diseases to abnormal ultrasound, including the possibilities for laboratory evaluation, and the risks and limitations. Throughout the book, the special status of the fetus as a patient is emphasized and the concerns and questions of families are considered, making this the first fully comprehensive and authoritative volume on fetal medicine.
How might we better understand our travels through Grandmotherland? In this lively exploration, an experienced child psychotherapist draws together a wide range of perspectives on the role and experience of grandmothers. Judith Edwards looks back to the past and forward to the future, while being rooted in the reality of the modern grandmother’s life. We meet ‘good’ grannies, ‘bad’ grannies, and all those in between, as well as women who decided to be agents of transmission in other ways than passing on their DNA. Our guide looks at how the behaviour of the grandmother is affected by personality, culture, tradition and ‘norms’ and considers how psychoanalytic insights may help us understand this territory of life.
This personal scientific memoir describes how a chance observation concerning artery disease in children with rare inherited abnormalities of metabolism, often called experiments of Nature, led to the discovery of a new theory of heart disease, cancer and diseases of ageing. As explained in subsequent chapters, this new theory places the amino acid homocysteine at the heart of altered metabolism of diseases of ageing. Not only does this theory illuminate and explain the origin of these diseases, development of this theory logically leads to a novel and revolutionary metabolic and nutritional program for disease prevention and treatment, potentially benefiting individuals and populations. |
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