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Author : L. I. Ardis
ISBN : 1600215505
Genre : Medical
File Size : 56.79 MB
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Testosterone is a steroid hormone from the androgen group. Testosterone is primarily secreted in the testes of males and the ovaries of females although small amounts are secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid. In both males and females, it plays key roles in health and well-being. Examples include enhanced libido, energy, immune function, and protection against osteoporosis. On average, the adult male body produces about twenty times the amount of testosterone that an adult female's body does. This book presents new and important research in this field from around the world.
Author : Fred C. Wu
ISBN : 189809912X
Genre : Testosterone
File Size : 71.32 MB
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Androgen replacement has taken on a new lease of life because of the recognition that it may have beneficial effects in osteoporosis, male contraception, induction of puberty and growth, and the reversal of certain symptoms associated with declining testosterone in aging. This book highlights some of the areas of research regarding the clinical benefits and potential risks of testosterone supplementation, with emphasis on both ends of the reproductive/age spectrum. There is increasing evidence that hip fractures may often be the result of unsuspected subclinical' hypogonadism in men. This not only suggests that we should have a greater awareness of the possibility of male hypogonadism, but also opens a new debate on the pros and cons of androgen replacement in our rapidly increasing population of aging males.
Author : E. Nieschlag
ISBN : 1139452215
Genre : Medical
File Size : 87.41 MB
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This book provides information on testosterone and other androgens, and their role in human physiology and pathology. It covers biosynthesis and mechanisms of action and reviews their effects on brain and behaviour, spermatogenesis, hair growth, bones, muscles, erythropoiesis, the cardiovascular system and lipids, erection, and the prostate. Therapeutic uses of testosterone preparations are carefully evaluated, including use in women, the aging male, and its abuse and detection in sport. The book reviews applications in male contraception, the role of 5a-reductase inhibitors and the controversial use of DHEA. For this book the editors have assembled the world leaders in testosterone research and clinical andrology and endocrinology. A special feature of the book is the fact that its 24 chapters were submitted simultaneously to insure rapid publication. This revised and significantly expanded edition will serve as the standard source of reference for many years.
Author : Robert M. Sapolsky
ISBN : 9780684838915
Genre : Literary Collections
File Size : 53.47 MB
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Covering such broad topics as science, politics, history, and nature, presents essays that explore the human struggle with moral and ethical problems in today's world.
Author : Myatt Murphy
ISBN : 9781609615338
Genre : Health & Fitness
File Size : 86.36 MB
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A groundbreaking workout and diet plan that replenishes a man's testosterone levels, rebuilds his body, and remakes his life Testosterone is the most crucial hormone in the male body--and every man's T levels begin a slow, steady decline as he ages. The result? Loss of strength and muscle mass. Poor sugar metabolism. Increased body fat, especially around the waist. Loss of T also affects red blood cell production, vitality, bone density, mental acuity, and sex drive. In short: It slowly chops a man down. Testosterone Transformation helps a man produce higher levels of T and reverse the downward spiral. By eating the right foods and adopting a new exercise approach, any man at any age can transform his life by starting a positive chain reaction: Raise T levels through the strategies in this book, improve workouts, get stronger, improve workouts even more, get even stronger, and enable the body to use muscle to process sugar--instead of storing it as fat. Testosterone Transformation is a life-changer: a serious exercise and strategic diet plan that uses the science of a man's own body to help him recharge his sex drive, increase vitality, and reduce health risks across the board.
Author : T. Hugh Jones
ISBN : 9783805586221
Genre : Medical
File Size : 43.94 MB
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Testosterone has an important influence on major organ systems and tissues, including brain, metabolism, cardiovascular as well as musculoskeletal and immune systems. Covering many clinical areas, this book pays particular attention to the diagnosis and management of hypogonadism, discussing current guidelines, biochemical assessment, new options in testosterone replacement therapy and long-term monitoring of treated men. Furthermore the role of testosterone deficiency in aging, obesity, muscle function and frailty and erectile dysfunction is covered. Recent evidence for the role of testosterone in the pathogenesis of chronic diseases such as diabetes, cardiovascular disease and osteoporosis is reported. New developments in the potential treatment of these clinical conditions are also. presented.Primarily of interest to endocrinologists, urologists, andrologists and sexologists, the range of topics covered is also relevant to primary care physicians, gerontologists, diabetologists and cardiologists.
Author : Simon Baron-Cohen
ISBN : 0262250551
Genre : Medical
File Size : 41.4 MB
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This pioneering study looks at the effects of prenatal testosterone on postnatal development and behavior. Hormonal effects on behavior have long been studied in animals; the unique contribution of this book is to suggest a connection between human fetal hormones and later behavior. It details for the first time testosterone's effect on social and language development, opening a new avenue of research for cognitive neuroscience. The authors look at samples of amniotic fluid taken during amniocentesis at 16 weeks' gestation, and relate the fetal level of testosterone (which is present in fetuses of both sexes, although in different quantities) to behavior at ages 1, 2, and 4 years. They argue that the amniotic fluid provides a window into the child's past—a chemical record of that child's time in the womb—that allows informed prediction about the child's future brain, mind, and behavior. This is not the retrospective speculation of psychoanalysis, they point out, but an opportunity to study development prospectively and trace developmental precursors and causes of later cognition. The study suggests that prenatal levels of testosterone affect a range of later behaviors in children, from the inclination to make eye contact with others to the size of the vocabulary. It also suggests that prenatal testosterone level may be related to the development of typically "masculine" and "feminine" behaviors. The study's ongoing research explores whether fetal testosterone has any link with the risk of developing autism. Connecting endocrinology and psychology, the authors propose that there is a biological component to behaviors often thought to be produced by the social environment.
Author : Eberhard Nieschlag
ISBN : 9781139536530
Genre : Medical
File Size : 31.1 MB
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Now in its fourth edition Testosterone: Action, Deficiency, Substitution provides the most up-to-date and comprehensive source of information on testosterone and its role in human physiology and pathology. It covers biosynthesis and mechanisms of action and reviews their effects on brain and behavior, spermatogenesis, hair growth, bones, muscles, erythropoiesis, the cardiovascular system and the prostate. The therapeutic uses of testosterone preparations are carefully evaluated as well as its abuse and detection in competitive sport. This new edition also devotes sections to exploring the effects of testosterone on female physiology and sexual function, and the experimental use of testosterone in male hormonal contraception. Testosterone: Action, Deficiency, Substitution has been written and edited by world experts in the fields of clinical andrology and endocrinology and provides a unique and invaluable guide for andrologists, endocrinologists, urologists, internists and those working in reproductive medicine.
Author : John Hoberman
ISBN : 9780520939783
Genre : Social Science
File Size : 25.8 MB
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Testosterone has inspired dreams—of restored youth, recharged sexual appetites, faster running, quicker thinking, bigger muscles—since it was first synthesized in 1935. This provocative book investigates the complex, bizarre, and sometimes outrageous history of synthetic testosterone and other male hormone therapies. Exploring many little-known social arenas—both inside and outside the medical world—in which these substances are becoming increasingly available and accepted, Testosterone Dreams examines the implications and dangers of their use in professional sports, in the workplace, in our sex lives, and beyond. Testosterone Dreams tells the story of testosterone's growing and sometimes concealed influence in our culture over the past 70 years. It explores such controversial topics as the invention and marketing of the male menopause, the disturbing history of hormonal and other medical treatments aimed at boosting or suppressing women's sexuality, and hormone doping in sporting events such as the Tour de France and the Olympics, and in Major League Baseball. It brings to light the hidden use of hormone doping by policemen, soldiers, and other workers in a variety of jobs. It also discusses the burgeoning steroid use in the gay community and its relation to AIDS, and takes a hard look at the pharmaceutical industry's promotional campaigns to create new markets for testosterone products. Testosterone Dreams is the first book to bring together the whole story of testosterone and to consider its social and ethical implications: Where does therapy end and performance enhancement begin? How are changing medical technologies affecting how we think about our identities as men and women and the elusive goal of "well-being"? This book will be essential reading as we move inexorably toward the wide-open, libertarian pharmacology that is now making these drug regimes available to a wider and wider clientele.
