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The Rhythms Of Life

Author: Leon Kreitzman

Publisher: Profile Books

Published: 2011-09-30

Total Pages: 469

ISBN-13: 1847653723

Popular science at its most exciting: the breaking new world of chronobiology - understanding the rhythm of life in humans and all plants and animals. The entire natural world is full of rhythms. The early bird catches the worm -and migrates to an internal calendar. Dormice hibernate away the winter. Plants open and close their flowers at the same hour each day. Bees search out nectar-rich flowers day after day. There are cicadas that can breed for only two weeks every 17 years. And in humans: why are people who work anti-social shifts more illness prone and die younger? What is jet-lag and can anything help? Why do teenagers refuse to get up in the morning, and are the rest of us really 'larks' or 'owls'? Why are most people born (and die) between 3am-5am? And should patients be given medicines (and operations) at set times of day, because the body reacts so differently in the morning, evening and at night? The answers lie in our biological clocks the mechanisms which give order to all living things. They impose a structure that enables us to change our behaviour in relation to the time of day, month or year. They are reset at sunrise and sunset each day to link astronomical time with an organism's internal time.

The Male Biological Clock

Author: Harry Fisch

Publisher: Simon and Schuster

Published: 2013-09-24

Total Pages: 153

ISBN-13: 1476740828

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Dr. Harry Fisch, a leading expert in male infertility, shares groundbreaking information about the bodily and behavioral changes that happen over the course of a man’s lifetime. Busting the myth that men don’t have biological clocks, Dr. Henry Fisch emphasizes that even young men can have testosterone levels as low as those of much older men, leading to infertility, sexual problems, and other serious health issues. Every couple should know all the risks and issues facing men, because these affect two of the most important things in their life: their ability to have children and their capacity to have good sex. The Male Biological Clock is a must read for every man and every couple who is struggling to have children or improve their sex life. Many of Dr. Harry Fisch's findings are startling—beginning with the fact that infertility is not mostly a women's problem—and he offers many helpful suggestions for how to deal with declining testosterone, changing sexual needs, and the fertility industry. The Male Biological Clock tells you what you need to know and how you can achieve optimal fertility and sexuality.

Biological Clocks, Rhythms, and Oscillations

Author: Daniel B. Forger

Publisher: MIT Press

Published: 2017-11-16

Total Pages: 369

ISBN-13: 0262036770

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An introduction to the mathematical, computational, and analytical techniques used for modeling biological rhythms, presenting tools from many disciplines and example applications. All areas of biology and medicine contain rhythms, and these behaviors are best understood through mathematical tools and techniques. This book offers a survey of mathematical, computational, and analytical techniques used for modeling biological rhythms, gathering these methods for the first time in one volume. Drawing on material from such disciplines as mathematical biology, nonlinear dynamics, physics, statistics, and engineering, it presents practical advice and techniques for studying biological rhythms, with a common language. The chapters proceed with increasing mathematical abstraction. Part I, on models, highlights the implicit assumptions and common pitfalls of modeling, and is accessible to readers with basic knowledge of differential equations and linear algebra. Part II, on behaviors, focuses on simpler models, describing common properties of biological rhythms that range from the firing properties of squid giant axon to human circadian rhythms. Part III, on mathematical techniques, guides readers who have specific models or goals in mind. Sections on “frontiers” present the latest research; “theory” sections present interesting mathematical results using more accessible approaches than can be found elsewhere. Each chapter offers exercises. Commented MATLAB code is provided to help readers get practical experience. The book, by an expert in the field, can be used as a textbook for undergraduate courses in mathematical biology or graduate courses in modeling biological rhythms and as a reference for researchers.

Body Clocks: The biology of time for sleep, education and work

Author: Paul Kelley

Publisher: John Catt

Published: 2018-12-01

Total Pages: 226

ISBN-13: 1398382558

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Our body's clocks make the difference between happiness and depression, health and illness, and even life and death. The brilliant scientist Paul Kelley makes a compelling case for all organisations to allow people to work and study the hours that suit their personal circadian rhythms. That way, Paul argues, we would all be more productive, a great deal of ill health would be avoided and the world would be a better and happier place.

The Body Clock Guide to Better Health

Author: Michael Smolensky

Publisher: Henry Holt and Company

Published: 2015-03-03

Total Pages: 450

ISBN-13: 1466891467

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A medical breakthrough explained by the leading authority on the connection between health and your body clock Chronotherapy-adjusting the care of the body to coincide with the body's natural clock-is poised to be the next major revolution in medical science. An understanding and awareness of these rhythms will enable us to maximize the effects not only of medications and other treatments, but also of diets, exercise programs, and other daily routines. The Body Clock Guide to Better Health combines a detailed discussion of major issues such as sleep, exercise, and nutrition, with a comprehensive A-to-Z reference to specific disorders. Among the health concerns it addresses are AIDS, arthritis, asthma, ADD, backache, cancer, depression, diabetes, digestive problems, allergies, heart disease, chronic pain, sexual dysfunction, stroke, and complications from pregnancy. General chapters explore the big picture-including monthly cycles and life cycles-and provide invaluable advice on foods and dietary supplements, fitness, better sex, jet lag, and more. The first book to look at body rhythms from a practical perspective, The Body Clock Guide to Better Health offers readers the dual benefits of improving the treatment of specific conditions while boosting their overall health and wellness.

Timing of Biological Clocks

Author: Arthur T. Winfree

Publisher: Henry Holt and Company

Published: 1986-11-15

Total Pages: 339

ISBN-13: 1466813954

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"A clock," writes Arthur T. Winfree, "is not much good if you can't pull out its stem and set it." Similarly, the most critical property of biological clocks--which rhythmically organize the processes of life--is their ability to reset on cue. This ability allows enables biological clocks to regain synchrony with a changing environment (as when we travel across time zones) or to maintain the alignment between certain physiological rhythms and the natural solar day. In The Timing of Biological Clocks, Winfree explores circadian rhythms. In reporting experiments on animals, plants, and single cells, he not only illustrates the principles that guide the resetting of biological clocks but reveals that each of these clocks has a vulnerable phase, a moment in each "turn of the dial" when a cueing stimulus of a particular intensity results in an abnormal, unpredictable resetting--perhaps even annihilating the clock's rhythm entirely. A singular feature of the author's exploration of these phenomena is his use of a range of colors to represent the passage of cyclic time. By this device, Winfree not only removes the purely arbitrary discontinuity of a conventional clock dial but makes reasoning about the real discontinuities of biological clocks transparently clear.

The Body Clock Advantage

Author: Matthew Edlund

Publisher:

Published: 2003

Total Pages: 0

ISBN-13: 9781580627894

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We all know how tough it is for a night owl to get going at 7.00 A.M., and it's equally challenging for a morning person to stay awake late at night...Dr. Edlund's professional research has led him to identify body rhythms and how they affect our lives. Once we have determined our own body clock we can stop fighting our natural preferences and allow our lives to flow more productively, and with more positive results.

The Biological Clock

Author: Frank A. Brown

Publisher: Academic Press

Published: 2014-06-28

Total Pages: 103

ISBN-13: 1483282287

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The Biological Clock describes the rhythmic processes in a great variety of plants and animals. This book is an outgrowth of the 1969 James Arthur Lecture Series on "Time and its Mysteries" held at New York University. This three-chapter work begins with the basic principles of biological rhythms and clocks, along with various diagrams to illustrate some aspects of circadian rhythms in animals. The second chapter discusses the hypothesis of environmental timing of the clock. This chapter explores numerous research studies on phenomenon of biological rhythms, the nature of the rhythmic mechanism, and hormonal regulation. The third chapter examines the cellular-biochemical clock hypothesis and its contribution in the progress of understanding the complexity of biological rhythm. This book is intended primarily for biologists, behaviorists, and researchers.

Biological Clock in Fish

Author: Ewa Kulczykowska

Publisher: CRC Press

Published: 2010-05-27

Total Pages: 278

ISBN-13: 1439845115

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Each organism has its own internal biological clock, which is reset by environmental cues (Zeitgebers), thus keeping it synchronized with the external environment. It is a chemically based oscillating system within cells, relying on molecular feedback loops. Circadian biological clocks exist in most organisms.What is so special about the clock in f

Rewinding Your Biological Clock

Author: Judith Sachs

Publisher:

Published: 2016-01-26

Total Pages: 0

ISBN-13: 9781504028929

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In 1996, Dr. Richard Paulson assisted a 63-year-old woman to conceive using in vitro fertilization with a donor egg, and she became the oldest woman in the world to give birth. This incredible example of how assisted reproductive technologies, or ART, can change the course of nature raises tough biological, emotional, and ethical issues. Rewinding Your Biological Clock is a unique exploration of each of these issues, especially the "how-to" of peri- and post-menopausal pregnancy. Written by a leading fertility specialist and a health educator, this original and daring book rethinks society's most fundamental beliefs about motherhood, aging, and life itself."