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Some investigators have hypothesized that estrogens and other hormonally active agents found in the environment might be involved in breast cancer increases and sperm count declines in humans as well as deformities and reproductive problems seen in wildlife. This book looks in detail at the science behind the ominous prospect of "estrogen mimics" threatening health and well-being, from the level of ecosystems and populations to individual people and animals. The committee identifies research needs and offers specific recommendations to decision-makers. This authoritative volume: Critically evaluates the literature on hormonally active agents in the environment and identifies known and suspected toxicologic mechanisms and effects of fish, wildlife, and humans. Examines whether and how exposure to hormonally active agents occursâ€"in diet, in pharmaceuticals, from industrial releases into the environmentâ€"and why the debate centers on estrogens. Identifies significant uncertainties, limitations of knowledge, and weaknesses in the scientific literature. The book presents a wealth of information and investigates a wide range of examples across the spectrum of life that might be related to these agents.
This lively book examines recent trends in animal product consumption and diet; reviews industry efforts, policies, and programs aimed at improving the nutritional attributes of animal products; and offers suggestions for further research. In addition, the volume reviews dietary and health recommendations from major health organizations and notes specific target levels for nutrients.
Scientific experiments using animals have contributed significantly to the improvement of human health. Animal experiments were crucial to the conquest of polio, for example, and they will undoubtedly be one of the keystones in AIDS research. However, some persons believe that the cost to the animals is often high. Authored by a committee of experts from various fields, this book discusses the benefits that have resulted from animal research, the scope of animal research today, the concerns of advocates of animal welfare, and the prospects for finding alternatives to animal use. The authors conclude with specific recommendations for more consistent government action.
"Boys will be boys," the saying goes -- but what does that actually mean? A leading anthropologist investigates Why do men behave the way they do? Is it their male brains? Surging testosterone? From vulgar locker-room talk to mansplaining to sexual harassment, society is too quick to explain male behavior in terms of biology. In Are Men Animals?, anthropologist Matthew Gutmann argues that predatory male behavior is in no way inevitable. Men behave the way they do because culture permits it, not because biology demands it. To prove this, he embarks on a global investigation of masculinity. Exploring everything from the gender-bending politics of American college campuses to the marriage markets of Shanghai and the women-only subway cars of Mexico City, Gutmann shows just how complicated masculinity can be. The result isn't just a new way to think about manhood. It's a guide to a better life, for all of us.
*** RECOMMENDED AS ONE OF THE TIMES' BEST SCIENCE BOOKS OF 2021 'With all the talk about testosterone in sex, sports and politics, we need a good explanation of the science and its implications, and this one is outstanding.' STEVEN PINKER, bestselling author of The Blank Slate 'There are whole books written about the idea that behavioural sex differences are a societal construct and how a male hormone we know influences animal behaviour somehow doesn't influence us. Hooven's book is a riposte to that silliness - and also a defence of a hormone that isn't just about aggression.' TOM WHIPPLE, THE TIMES, BEST SCIENCE BOOKS OF 2021 'Fascinating, vital, unputdownable.' JULIE BINDEL 'The definitive book on testosterone . . . A brave and significant book . . . simply fascinating and filled with extraordinary facts.' EVENING STANDARD 'Testosterone does what all superb popular science must do: it entertains as it educates.' THE WALL STREET JOURNAL Through riveting personal stories and the latest research, Harvard evolutionary biologist Carole Hooven shows how testosterone drives the behaviour of the sexes apart and how understanding the science behind this hormone is empowering for all. The biological source of masculinity has inspired fascination, investigation and controversy since antiquity. From the eunuchs in the royal courts of ancient China to the booming market for 'elixirs' of youth in nineteenth-century Europe, humans have been obsessed with identifying and manipulating what we now know as testosterone. And the trend shows no signs of slowing down. Thanks to this history and the methods of modern science, today we have a rich body of research about testosterone's effects in both men and women. The science is clear: testosterone is a major, invisible player in our relationships, sex lives, athletic abilities, childhood play, gender transitions, parenting roles, violent crime, and so much more. But there is still a lot of pushback to the idea that it does, in fact, contribute to sex differences and significantly influence behaviour. Hooven argues that acknowledging testosterone as a potent force in society doesn't reinforce stifling gender norms or patriarchal values. Testosterone and evolution work together to produce a huge variety of human behaviour, and that includes a multitude of ways to be masculine and feminine. Understanding the science sheds light on how we work and relate to one another, how we express anger and love, and how we fight bias and problematic behaviour to build a fairer society.
Comprehensive Overview of Advances in OlfactionThe common belief is that human smell perception is much reduced compared with other mammals, so that whatever abilities are uncovered and investigated in animal research would have little significance for humans. However, new evidence from a variety of sources indicates this traditional view is likely
Investigating the relative importance of genes, hormones, and environment in the formation of sexual behavior.
Gender has a fundamental influence on the human brain, not only by virtue of biological and hormonal differences between the sexes but also because of the impact of gender-specific cultural, social, anthropological and environmental factors. Nevertheless, the relation of gender and psychopathology remains a largely neglected field. Gender perspective has been treated as a paradigm in this book on psychopathology because it determines the way in which a psychiatric symptom is defined, perceived and understood. This conception of gender as being of key importance in the definition of psychiatric symptomatology is exceptional in the literature. The book opens by examining historical and cultural aspects of mental health in women worldwide and the relation of sex, brain and gender, with coverage of both neurobiological and psychosocial aspects. The significance of gender with regard to specific aspects of psychopathology is then addressed in detail. A wide range of psychological disorders are considered, as well as hormonal influences and issues concerning body image, self identity, sexuality and life instinct. It is hoped that this book will make a significant contribution in ensuring that gender perspective receives due attention within descriptive psychopathology.