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Sleep has recently been recognized as a critical determinant of energy balance regulating, restoration and repair of many of the physiologic and psychologic processes involved in modulating energy intake and utilization. In addition to having an impact on obesity, sleep abnormalities, both quantitative and qualitative, have now been shown to have significant effects on obesity associated comorbidities, including metabolic syndrome, premalignant lesions and cancer. Sleep problems and fatigue also constitute a significant challenge for the ever expanding group of cancer survivors. Moreover, circadian misalignment, such as that experienced by "shift workers" has been shown to be associated with an increased incidence of several malignancies including, breast, colorectal and prostate cancer, consistent with the increasing recognition of the role of clock genes in the metabolic processes. Of increasing concern is the accelerating incidence of sleep disorders in childhood, their association with childhood obesity and associated abnormalities of circulating cytokines, adipokines and metabolic factors, many of which are implicated as etiologic mediators of the connection between obesity and cancer.Extensive studies have now been initiated to investigate the mechanisms by which disturbances in sleep duration, sleep continuity and sleep related breathing affect circadian rhythm, central and peripheral tissue oxygenation and metabolism, quality and quantity of dietary intake and circulating inflammatory cytokines and regulatory hormones. This volume aims to present the latest research on sleep, sleep disturbance and its correlation to obesity and cancer.

The volume further outlines strategies to disrupt the linkage between obesity and gynecologic malignancies and concludes with a series of chapters focused on management strategies for obese patients with gynecologic malignancies.

This volume provides a comprehensive treatise on the latest studies linking prostate cancer with energy balance, which together constitute a major challenge and opportunity for research scientists and clinicians especially those dealing with the expanding population of older men confronted with obesity and associated comorbidities.

This volume of Energy Balance and Cancer provides state-of-the-art descriptions of the rapidly evolving science of epigenetics and how it may explain mechanisms by which alterations in energy balance such as obesity and physical activity may impact cancer.

Adipocytokines provide the circuitry by which adipose tissue communicates among its component cells which include adipocytes, stromal cells, immune cells and vascular elements, with adipose tissue depots in other locations throughout the body and with other tissues in order to regulate physiologic processes of energy intake, utilization, and distribution. Since disturbances, both qualitative and quantitative, in adipocytokine function contribute significantly to many of the comorbidities associated with obesity, including diabetes, cardiovascular disease and cancer, this volume, which discusses most of the major adipocytokines independently and collectively and their roles in normal and pathologic processes, should be useful to all individuals seeking a deeper understanding of these processes. Moreover, it provides a valuable complement to the series on Energy Balance and Cancer, in which each volume is focused on a specific aspect of this process, which now constitutes an expanding problem as the obesity pandemic continues and more of the population reaches the age where cancer is most prevalent. This volume should provide a valuable resource to all clinicians and scientists engaged in caring for susceptible patients and in exploring the relation between energy balance and cancer as well as an important platform to providing the background for research development.

Cancer occurs in specific places and spaces, each of which have identifiable geographic coordinates, characterized by unique natural, built and social characteristics, all of which contribute significantly to cancer across the spectrum from etiology through diagnosis, treatment and outcomes.