Androgens And The Aging Male

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Androgens and the Aging Male

Author : B.J. Oddens
Publisher : CRC Press
ISBN 13 : 9781850707639
Total Pages : 266 pages
Book Rating : 4.7/5 (76 download)

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Book Synopsis Androgens and the Aging Male by : B.J. Oddens

Download or read book Androgens and the Aging Male written by B.J. Oddens and published by CRC Press. This book was released on 1996-11-15 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: While menopause in women is a well-established and well documented phenomenon, the andropause in men is a relatively new concept. The terms male menopauseand andropausesuggest that this is an abrupt phenomenon related to a sudden deprivation of sex hormones. Unlike the menopause, which has a relatively sudden onset, the andropause appears to be a gradual process. It has been hypothesized that an androgen deficiency might develop with aging. Androgens and the Aging Male explores this hypothesis. The book focuses on the gradually progressive problems related to the decline in androgens that can occur with advancement of age. It examines the debate about the extent to which an age-dependent decline in androgens leads to health problems that affect or impair the quality of life, and the theory behind it. In addition, it reviews studies evaluating the effects of androgen supplementation. Androgens and the Aging Male comprehensively covers androgen function and how it changes over time.

Testosterone and Aging

Author : Institute of Medicine
Publisher : National Academies Press
ISBN 13 : 0309090636
Total Pages : 239 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Testosterone and Aging by : Institute of Medicine

Download or read book Testosterone and Aging written by Institute of Medicine and published by National Academies Press. This book was released on 2004-03-12 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular culture often equates testosterone with virility, strength, and the macho male physique. Viewed by some as an "antiaging tonic," testosterone's reputation and increased use by men of all ages in the United States have outpaced the scientific evidence about its potential benefits and risks. In particular there has been growing concern about an increase in the number of middle-aged and older men using testosterone and the lack of scientific data on the effect it may have on aging males. Studies of testosterone replacement therapy in older men have generally been of short duration, involving small numbers of participants and often lacking adequate controls. Testosterone and Aging weighs the options of future research directions, examines the risks and benefits of testosterone replacement therapy, assesses the potential public health impact of such therapy in the United States, and considers ethical issues related to the conduct of clinical trials. Testosterone therapy remains an attractive option to many men even as speculation abounds regarding its potential.

Aging Men's Health

Author : Robert S. Tan
Publisher : Thieme
ISBN 13 : 160406532X
Total Pages : 230 pages
Book Rating : 4.6/5 (4 download)

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Book Synopsis Aging Men's Health by : Robert S. Tan

Download or read book Aging Men's Health written by Robert S. Tan and published by Thieme. This book was released on 2011-01-01 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete reference on common health concerns for the aging man The global population is aging, and this important text explores the common health concerns that accompany male aging, particularly the effects of declining testosterone levels, or andropause. Aging Men's Health is the first and only book to comprehensively review this topic. Using a case-based approach with supporting evidence, the book examines treatment for the biological and physiological changes that stem from a wide range of age-related problems associated with androgen deficiency. You will read about such topics as erectile dysfunction, prostate cancer, heart disease, arthritis, osteoporosis, obesity, growth hormone replacement for aging men, nutriceuticals, hypogonadism, and much more. Findings cited from recent literature ensure reliable analysis in every chapter, and 100 charts and graphs clarify research and key points. The clinical implications of male aging extend into many disciplines--orthopedics, urology, endocrinology, cardiology, and others. Appropriate treatment and care are crucial. Highly informative and authoritative, this concise reference is a must for all practitioners treating the aging male patient.

Endocrine Aspects of Successful Aging: Genes, Hormones and Lifestyles

Author : P. Chanson
Publisher : Springer Science & Business Media
ISBN 13 : 3662070197
Total Pages : 252 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Endocrine Aspects of Successful Aging: Genes, Hormones and Lifestyles by : P. Chanson

Download or read book Endocrine Aspects of Successful Aging: Genes, Hormones and Lifestyles written by P. Chanson and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the beginning of the 20th century, life expectancy at birth in North America and Western Europe was around 50 years of age. Nowadays, women have gained more than 30 years of age and men are trailing closer. However, according to several sociologists such as Louis Chauvel, the notion of a "greying society" is not entirely adequate since aging people are physically and socially younger and more active for a longer time. Of course, the other side of the medal is to tackle the challenge of preventing age-associated chronic diseases. In this book the extensive field of research on neuroendocrine aging has been reviewed. Aging is one of the most complex biological processes determined by the interactions between genetic and environmental factors.

Fertility Preservation in Male Cancer Patients

Author : John P. Mulhall
Publisher : Cambridge University Press
ISBN 13 : 1107012120
Total Pages : 365 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Fertility Preservation in Male Cancer Patients by : John P. Mulhall

Download or read book Fertility Preservation in Male Cancer Patients written by John P. Mulhall and published by Cambridge University Press. This book was released on 2013-02-21 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by international authorities, this book is aimed at clinicians dealing with male patients rendered infertile by cancer therapy.

Testosterone

Author : Susan Nieschlag
Publisher : Springer Science & Business Media
ISBN 13 : 3662008149
Total Pages : 296 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Testosterone by : Susan Nieschlag

Download or read book Testosterone written by Susan Nieschlag and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: New developments in testosterone therapy are summarized here by internationally renowned experts. They review both basic and clinical knowledge in fourteen chapters. The book begins with the biochemistry of testosterone, its biosynthesis, metabolism and mechanisms of action in target organs. Three chapters deal with specific aspects of testosterone action, namely its role in spermatogenesis, its psychotropic effects and its effects on bones. Syndromes caused by androgen resistance are described in order to highlight the importance of properly functioning enzymes and receptors in the target organs. Causes and symptoms of male hypogonadism, the major indication for testosterone treatment, are described. Five chapters are devoted to the pharmacology, pharmacokinetics and clinical uses and abuses of testosterone preparations. The new transdermal testosterone application is described in detail. Side effects of testosterone treatment are reviewed. The possible role of androgens in the development of prostatic hypertrophy and carcinoma is discussed extensively since this question is of major concern to the clinician.

Testosterone and Aging

Author : Institute of Medicine
Publisher : National Academies Press
ISBN 13 : 0309166772
Total Pages : 238 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Testosterone and Aging by : Institute of Medicine

Download or read book Testosterone and Aging written by Institute of Medicine and published by National Academies Press. This book was released on 2004-02-12 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular culture often equates testosterone with virility, strength, and the macho male physique. Viewed by some as an "antiaging tonic," testosterone's reputation and increased use by men of all ages in the United States have outpaced the scientific evidence about its potential benefits and risks. In particular there has been growing concern about an increase in the number of middle-aged and older men using testosterone and the lack of scientific data on the effect it may have on aging males. Studies of testosterone replacement therapy in older men have generally been of short duration, involving small numbers of participants and often lacking adequate controls. Testosterone and Aging weighs the options of future research directions, examines the risks and benefits of testosterone replacement therapy, assesses the potential public health impact of such therapy in the United States, and considers ethical issues related to the conduct of clinical trials. Testosterone therapy remains an attractive option to many men even as speculation abounds regarding its potential.

Endocrinology of the Testis and Male Reproduction

Author : Manuela Simoni
Publisher : Springer
ISBN 13 : 9783319444406
Total Pages : 1364 pages
Book Rating : 4.4/5 (444 download)

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Book Synopsis Endocrinology of the Testis and Male Reproduction by : Manuela Simoni

Download or read book Endocrinology of the Testis and Male Reproduction written by Manuela Simoni and published by Springer. This book was released on 2017-09-18 with total page 1364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of endocrinology of the male reproductive system, explaining how it works and how, sometimes, it fails to work. World-class specialists present state of the art knowledge on all aspects, including anatomy, physiology, molecular biology, genetics, pathophysiology, clinical manifestations of testicular diseases, endocrine aspects of andrological and sexual diseases, and therapy. Extensive consideration is given to sexual development, testicular function, the clinical approach to disorders of male reproduction, male hypogonadism, sexual dysfunction, and male infertility. In addition, sociodemographic, psychological, and ethical aspects of male reproductive disorders are discussed. The book is intended as a major reference for endocrinologists, andrologists, and sexologists, as well as basic and clinical scientists. It is published as part of the SpringerReference program, which delivers access to living editions constantly updated through a dynamic peer-review publishing process.

Body Composition and Aging

Author : C.V. Mobbs
Publisher : Karger Medical and Scientific Publishers
ISBN 13 : 3805595220
Total Pages : 204 pages
Book Rating : 4.8/5 (55 download)

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Book Synopsis Body Composition and Aging by : C.V. Mobbs

Download or read book Body Composition and Aging written by C.V. Mobbs and published by Karger Medical and Scientific Publishers. This book was released on 2010-08-12 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased adiposity and decreased muscle mass contribute substantially to age-dependent disease and disability. In particular age-related increase in adiposity is quickly becoming a major threat to public health throughout the world. Although the hypothesis that age-related changes in body composition are due to lifestyle choices alone is well accepted, it is a vast oversimplification. This volume reflects the current knowledge in this rapidly developing field of research. The first part of the book discusses the extent to which increased adiposity contributes to age-related diseases and longevity. The 'obesity paradox', describing the protective role of overweight in decreasing mortality while increasing pathology, is covered in depth. Further chapters address specific aspects of the regulation of energy balance during aging, including the effects of changes in food intake. Finally the causes and consequences of loss of muscle mass and age-related osteoporosis are examined.A valuable help for physicians treating elderly patients, this book will also be of great interest to researchers studying energy balance, muscle physiology, bone disease, and other aspects of aging.

Ageless Man

Author : Georges Debled, MD
Publisher :
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.6/5 (482 download)

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Book Synopsis Ageless Man by : Georges Debled, MD

Download or read book Ageless Man written by Georges Debled, MD and published by . This book was released on 2017-09-30 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sooner or later, starting from forty, each man knows various disorders: general tiredness, overweight, cardiovascular troubles, sexual problems, memory losses, irritability, and tendency to depress. Often, they put these disturbances on stress and overwork. These disorders are actually due to a natural phenomenon easy to diagnose: the progressive reduction in the production of male hormones. It is the androgenic disease of andropause or andropause disease. To neglect this phenomenon leads to early aging and the development of psychological problems, which can affect personal life. However, for many years, the treatment of male aging exists. Thanks to suitable hormonal proportioning, it is possible to slow down aging and even to prevent it. But for lack of information or because they do not dare speak of their problems, men seldom resort to medicine. Georges Debled MD, Associate Professor of Urology, and specialist in andrology joins together in these bright and precise book results of most recent medical research and its forty years of experience on treatment and prevention of aging diseases. He presented this topic in Dallas in 1992. Unfortunately, generally, androgenic disease of andropause is only recognized, occasionally and tardily by doctors, at its end-stage called Low Testosterone in old age. But andropause disease has a commencement around forty, and sometimes before. That condition produces a pathologic fall in the production of dihydrotestosterone, the potent sexual hormone produced from the transformation of testosterone, and, consequently, sexual aging. With time, lack of androgens induces diabetes, high cholesterol, arterial rigidity and hypertension, cardiovascular diseases, osteoarthritis, hearing and eye troubles, nervous breakdown, Parkinson's, and Alzheimer's diseases. The Ageless Man explains the facts and principles of sexual aging, prostate problems, and conditions of aging since their early stages; and how to prevent them. Prevention of diseases of aging should be a priority for everyone who wants to live healthy longevity beyond eighty. The Ageless Man is already born. Do you want to be him?

Androgen Deficiency and Testosterone Replacement

Author : Wayne J.G. Hellstrom
Publisher : Springer Science & Business Media
ISBN 13 : 1627031790
Total Pages : 154 pages
Book Rating : 4.6/5 (27 download)

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Book Synopsis Androgen Deficiency and Testosterone Replacement by : Wayne J.G. Hellstrom

Download or read book Androgen Deficiency and Testosterone Replacement written by Wayne J.G. Hellstrom and published by Springer Science & Business Media. This book was released on 2012-11-28 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Androgen Deficiency and Testosterone Replacement: Current Controversies and Strategies explores the difficulties around the diagnosis and treatment of androgen deficiency. The text examines the available evidence concerning the diagnosis and treatment of men with low testosterone. It also examines controversies in the identification and management of these men. While the information contained within will be of use to those who specialize in androgen deficiency and sexual medicine, the scope of the book will serve as a source of basic information about testosterone replacement and as a source of reasoned analysis of the controversies surrounding testosterone replacement in the aging male. Physicians and physician extenders will be able to apply evidence management principles to the evaluation and treatment of men with testosterone deficiency; supported by the most recent practice guidelines available. The authors represent a select group of physicians with expertise in androgen deficiency and replacement. Androgen Deficiency and Testosterone Replacement: Current Controversies and Strategies will be of great value to all physicians and physician extenders who deliver health care to men of all ages.

Testosterone

Author : Alexandre Hohl
Publisher : Springer Nature
ISBN 13 : 3031315014
Total Pages : 515 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Testosterone by : Alexandre Hohl

Download or read book Testosterone written by Alexandre Hohl and published by Springer Nature. This book was released on 2023 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: Even though research on testosterone is increasing, there is still much controversy regarding its physiology and clinical use. This book provides a broad overview on testosterone, from its basic features to the most recent evidence of clinical applicability. In addition, specific conditions in which testosterone play a pivotal role are discussed in detail, such as hypogonadism, misuse and abuse, puberty, cardiovascular effects and testosterone therapy. The testes are vital organs for reproduction of the human species, besides being the main source of testosterone production in men. Although not essential for survival, these singular structures represent the essence of male biological function. Testosterone is the most important testicular androgen in men. Low serum testosterone levels are associated with cardiovascular morbidity, metabolic syndrome, type 2 diabetes mellitus, atherosclerosis, osteoporosis, sarcopenia, and mortality. Also, there is increasing evidence that serum testosterone is a major biomarker status of men's health in general. Hypogonadism in a male refers to a decrease in one or both of the two major functions of the testes: sperm production or testosterone production. These abnormalities can result from disease of the testes (primary hypogonadism) or disease of the pituitary or hypothalamus (secondary hypogonadism). Currently, the clinical features of male hypogonadism are sufficiently well-recognized, the causes are well-known, and the tests of the hypothalamic-pituitary-testicular axis are accurate enough for the diagnosis in most patients. Testosterone, the focus hormone of this book, is used in different forms and routes of administration. Several authors unravel its peculiarities and assist in choosing the most suitable form in each case, as well as the possible risks of its misuse or even abuse in men and women, seeking alternatives to help patients in this situation.

MAN-opause

Author : Brian R. Clement
Publisher : Rowman & Littlefield
ISBN 13 : 1538129353
Total Pages : 249 pages
Book Rating : 4.5/5 (381 download)

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Book Synopsis MAN-opause by : Brian R. Clement

Download or read book MAN-opause written by Brian R. Clement and published by Rowman & Littlefield. This book was released on 2020-02-15 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Women are not the only ones who suffer the consequences of declining hormone levels and associated symptoms. The Clements help men understand their own aging and changing bodies to help them better navigate the changes and still maintain vitality. This book is a man’s education manual about the health effects of hormone imbalance, but just as importantly, it’s a must-read for the women in their life, since it is often the women who inspire and coax men to break through their denial and seek help when they encounter health challenges. That cluster of mid-life hormonal declines is a significant life challenge which all men will eventually face, yet very few of them even realize the condition exists, much less that the vexing symptoms they experience can be remedied. Male menopause (MAN-opause) is a little reported and little understood phenomenon causing irritability, anger, depression, fatigue, weight gain, sexual dysfunction. It is affecting men at younger ages and for far longer in life than ever before. Science has confirmed this emerging phenomenon. Using the latest medical science findings, MAN-opause explains in understandable language how any man---with or without a woman’s participation--can take proactive steps, at any stage of life, to neutralize the impact of andropause and its wide range of debilitating and disturbing symptoms.

Andrology

Author : Eberhard Nieschlag
Publisher : Springer Science & Business Media
ISBN 13 : 3540783555
Total Pages : 630 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Andrology by : Eberhard Nieschlag

Download or read book Andrology written by Eberhard Nieschlag and published by Springer Science & Business Media. This book was released on 2010-01-13 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: The decade that has passed since publication of the second edition of this textbook has not only witnessed a tremendous increase in knowledge within the ? eld of and- logy, but also seen the ? eld itself achieve a newfound status within the medical p- fession. Knowledge and status have been of mutual bene? t to the ? eld and the growing critical mass of diagnostic and therapeutic possibilities have caused andrology to be recognized as a medical subspecialty in some countries such as Germany, Poland, and Estonia. The European Academy of Andrology (EAA) served as a pacemaker for this development and continues to strive for establishment of andrology as a clinical ? eld. Well-designed curricula and qualifying examinations have contributed to the of? cial recognition of andrology as a speciality. This recognition of the ? eld helps patients with andrological problems to ? nd the specialist they seek. This textbook summarizes the current state of knowledge in the ? eld of andrology. It is a source of knowledge to all those who are or want to become andrologists. In addition, as andrology is clearly an interdisciplinary ? eld, this book may serve as a compendium and source of reference for all those physicians and biologists active in neighboring areas, who want to obtain an overview of andrology and who require information on special problems. The extensive references are timely and up to date.

Cardiovascular risk factors in elderly

Author : Karin Rådholm
Publisher : Linköping University Electronic Press
ISBN 13 : 9175190303
Total Pages : 78 pages
Book Rating : 4.1/5 (751 download)

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Book Synopsis Cardiovascular risk factors in elderly by : Karin Rådholm

Download or read book Cardiovascular risk factors in elderly written by Karin Rådholm and published by Linköping University Electronic Press. This book was released on 2015-09-11 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background The part of the population that belongs to the oldest-old (ages 80 years or older) increases rapidly, worldwide. Cardiovascular disease (CVD) is the leading cause of death and disease burden globally. Multimorbidity is common in old age and stroke, diabetes mellitus (DM) and atrial fibrillation (AF) are strongly associated with age. Cardiovascular risk factors are well studied and documented in younger and middle ages, but not as well in old and frail individuals. Therefore, preventive treatment choices are mostly based on evidence for younger patients. The aim of this thesis was to explore age and other aspects of cardiovascular risk factors; AF, hypertension and DM, in relation to comorbidity, cardiovascular outcome and mortality. Methods This thesis was based on four different studies: The ELSA85 study of 85 years old in Linköping, SwedenThe international, multicentre, randomised controlled INTERACT2 trial of spontaneous intracranial haemorrhage (ICH), mean age 64 years.The prospective SHADES study of nursing home residents, mean age 85 years.The prospective, national SWE-diadep study of dispensed antidiabetics, antidepressantsand prevalent myocardial infarction (MI) in 45-84 years old. Data was obtained from questionnaires (ELSA85, INTERACT2), medical records and medical examination (ELSA85, INTERACT2, SHADES), and national registers (SWE-Diadep). Results The ELSA85 study showed that 16% (n=53) had an ECG showing AF. There was an increased hazard ratio (HR) for all-cause mortality in participants with AF at baseline, at 90 years of age (HR 1.59, 95% [Confidence Interval] CI 1.04-2.44) adjusted for sex. This increase in HR did not persist when adjusted for congestive heart failure (CHF). In the INTERACT2 study, increasing age was associated with increasing frequency of death or dependency (odds ratio [OR] 4.36, 95% [CI] 3.12-6.08 for >75 years vs <52 years, p value for trend <0.001). The SHADES study showed that participants with Systolic blood pressure (SBP) <120 mmHg had an increased HR for mortality (1.56, 95% CI, 1.08–2.27; p=0.019) but there were no differences between SBP groups 140–159 mmHg and ?160 mmHg compared with the reference group SBP 120–139 mmHg. SBP decreased during the prospective study period. In the SWE-diadep study, individuals with antidiabetics and antidepressants combined had a greater HR for MI compared to the reference of no antidiabetics or antidepressants, mostly so in women aged 45-64 years (HR 7.4, 95% CI: 6.3-8.6). Conclusion Risk factors for CVDs in elderly differ from cardiovascular risk factors in middle aged individuals an

Androgens in Gynecological Practice

Author : Leo Plouffe, Jr
Publisher : Cambridge University Press
ISBN 13 : 1316298876
Total Pages : 261 pages
Book Rating : 4.3/5 (162 download)

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Book Synopsis Androgens in Gynecological Practice by : Leo Plouffe, Jr

Download or read book Androgens in Gynecological Practice written by Leo Plouffe, Jr and published by Cambridge University Press. This book was released on 2015-06-25 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical approach to the field of androgen excess or deprivation in women's health. The content includes multiple viewpoints on the most common disorders in this class, such as polycystic ovary disease, hirsutism and menopausal issues. Each chapter provides a combination of long-lasting clinical principles in the diagnosis and management of these patients along with a state-of-the-art review. This text takes an innovative approach to uncommon conditions (such as congenital adrenal hyperplasia, transgender conditions). In addition to presenting clinical insights, and a review of the basic science underpinning these conditions, it focuses on key concepts that can be derived from these rare conditions to the entire field. This book is an essential addition to the library for any busy clinician who is looking for a practical reference guide but also for the sub-specialist who is looking for new and thought-provoking insights in this complex scientific area.

Natural Remedies for Low Testosterone

Author : Stephen Harrod Buhner
Publisher : Simon and Schuster
ISBN 13 : 1620555050
Total Pages : 192 pages
Book Rating : 4.6/5 (25 download)

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Book Synopsis Natural Remedies for Low Testosterone by : Stephen Harrod Buhner

Download or read book Natural Remedies for Low Testosterone written by Stephen Harrod Buhner and published by Simon and Schuster. This book was released on 2016-01-22 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: How to maintain optimum testosterone levels for the male body through the use of herbs, nutritional supplements, and diet • Explains the phenomenon of male menopause and how to deal with it • Reveals scientific evidence of testosterone-blocking agents in the environment that alter men’s essential chemistry as they age • Presents safe, organic plant medicines that can restore optimum testosterone levels • Contains the most up-to-date natural treatments for impotence, infertility, and prostate disease The recognition of andropause, the middle-age stage in male development comparable to women’s menopause, is hampered by the lack of a clear outward manifestation of the chemistry and physiology specific to aging men. Men are still capable of reproduction well into and beyond middle age. Yet a man’s sexual desire and potency varies, often according to his testosterone level. Recent studies show that the lowered testosterone levels endemic in aging men--a gradual drop that is quite normal--are being exacerbated by environmental agents. Testosterone-blocking estrogen agents are present in insecticides, industrial materials, pharmaceuticals, and foods. Men are daily inundated with a “cocktail” of estrogen agents that alter the fine balance of testosterone that makes them male. But as recent medical research has revealed, testosterone replacement therapy with Low T drugs is not a good option because of the increased risk of cardiovascular problems, such as heart attack and stroke, and because the body can become dependent on pharmaceutical testosterone and stop producing any on its own. In this updated edition of The Natural Testosterone Plan, Stephen Harrod Buhner shows why men need help to maintain their testosterone levels as they age and explains how naturally occurring phytoandrogens--plant medicines that contain male hormones--can safely remedy the depletion exerted by the environment. Buhner details how each phytoandrogen works, when its use is indicated, and the most appropriate method of application, providing all men with safe, natural, and effective means of maintaining optimum testosterone levels well into old age.