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Bjorklund and Kipp (1996) provide an evolutionary framework predicting that there is a female advantage in inhibition and self-regulation due to differing selection pressures placed on males and females. The majority of the present review will summarize sex differences in self-regulation at the behavioral level. The neural and hormonal underpinnings of this potential sexual dimorphism will also be investigated and the results of the experiments summarized will be related to the hypothesis advanced by Bjorklund and Kipp (1996). Paradoxically, sex differences in self-regulation are more consistently reported in children prior to the onset of puberty. In adult cohorts, the results of studies examining sex differences in self-regulation are mixed. A few recent experiments suggesting that females are less impulsive than males only during fertile stages of the menstrual cycle will be reviewed. A brief discussion of an evolutionary framework proposing that it is adaptive for females to employ a self-regulatory behavioral strategy when fertile will follow.

Sandy Bardsley examines the complex relationship between speech and gender in the fourteenth and fifteenth centuries and engages debates on the static nature of women's status after the Black Death. Focusing on England, Venomous Tongues uses a combination of legal, literary, and artistic sources to show how deviant speech was increasingly feminized in the later Middle Ages. Women of all social classes and marital statuses ran the risk of being charged as scolds, and local jurisdictions interpreted the label \"scold\" in a way that best fit their particular circumstances. Indeed, Bardsley demonstrates, this flexibility of definition helped to ensure the longevity of the term: women were punished as scolds as late as the early nineteenth century.The tongue, according to late medieval moralists, was a dangerous weapon that tempted people to sin. During the fourteenth and fifteenth centuries, clerics railed against blasphemers, liars, and slanderers, while village and town elites prosecuted those who abused officials or committed the newly devised offense of scolding. In courts, women in particular were prosecuted and punished for insulting others or talking too much in a public setting. In literature, both men and women were warned about women's propensity to gossip and quarrel, while characters such as Noah's Wife and the Wife of Bath demonstrate the development of a stereotypically garrulous woman. Visual representations, such as depictions of women gossiping in church, also reinforced the message that women's speech was likely to be disruptive and deviant.

Sex is a fundamentally important biological variable. Recent years have seen significant progress in the integration of sex in many aspects of basic and clinical research, including analyses of sex differences in brain function. Significant advances in the technology available for studying the endocrine and nervous systems are now coupled with a more sophisticated awareness of the interconnections of these two communication systems of the body. A thorough understanding of the current knowledge, conceptual approaches, methodological capabilities, and challenges is a prerequisite to continued progress in research and therapeutics in this interdisciplinary area. This book provides scientists with the basic tools for investigating sex differences in brain and behavior, and insight into areas where important progress in understanding physiologically relevant sex differences has already been made. The book is arranged in three parts. The first part of the book introduces the study of sex differences in the brain, with an overview of how the brain, stress systems, and pharmacogenetics differ in males and females and how this information is important for the study of behavior and neurobiology of both genders. The second part presents examples of sex differences in neurobiology and behavior from both basic and clinical research perspectives, covering both humans and nonhuman animals. The final part discusses sex differences in the neurobiology of disease and neurological disorders.

Key Points Sex is a biological variable that affects the functions of the immune system. Sex differences occur in both innate and adaptive immune responses and are evolutionarily conserved across diverse species. Sex differences in immune responses change throughout life and are influenced by both the age and reproductive status of an individual. Sex chromosome genes and sex hormones, including oestrogens, progesterone and androgens, contribute to the differential regulation of immune responses between the sexes. Environmental factors, including nutrition status and the composition of the microbiome, also alter the development and functioning of the immune system differently in males and females. Sex differences in immune responses result in differential susceptibility of males and females to autoimmune diseases, malignancies and infectious diseases, as well as affecting the outcome of vaccination. In this Review the authors discuss some of the key differences that exist between male and female immune functions. They explain how these differences lead to sex biases in susceptibility to infections, inflammatory diseases and cancer. Moreover, they highlight the urgent need for immunologists to consider these sex differences when designing experiments. Males and females differ in their immunological responses to foreign and self-antigens and show distinctions in innate and adaptive immune responses. Certain immunological sex differences are present throughout life, whereas others are only apparent after puberty and before reproductive senescence, suggesting that both genes and hormones are involved. Furthermore, early environmental exposures influence the microbiome and have sex-dependent effects on immune function. Importantly, these sex-based immunological differences contribute to variations in the incidence of autoimmune diseases and malignancies, susceptibility to infectious diseases and responses to vaccines in males and females. Here, we discuss these differences and emphasize that sex is a biological variable that should be considered in immunological studies.

Background Colorectal cancer (CRC) is an illness strongly influenced by sex and gender, with mortality rates in males significantly higher than females. There is still a dearth of understanding on where sex differences exist along the pathway from presentation to survival. The aim of this review is to identify where actions are needed to improve outcomes for both sexes, and to narrow the gap for CRC. Methods A cross-sectional review of national data was undertaken to identify sex differences in incidence, screening uptake, route to diagnosis, cancer stage at diagnosis and survival, and their influence in the sex differences in mortality. Results Overall incidence is higher in men, with an earlier age distribution, however, important sex differences exist in anatomical site. There were relatively small differences in screening uptake, route to diagnosis, cancer staging at diagnosis and survival. Screening uptake is higher in women under 69 years. Women are more likely to present as emergency cases, with more men diagnosed through screening and two-week-wait. No sex differences are seen in diagnosis for more advanced disease. Overall, age-standardised 5-year survival is similar between the sexes. Conclusions As there are minimal sex differences in the data from routes to diagnosis to survival, the higher mortality of colorectal cancer in men appears to be a result of exogenous and/or endogenous factors pre-diagnosis that lead to higher incidence rates. There are however, sex and gender differences that suggest more targeted interventions may facilitate prevention and earlier diagnosis in both men and women.

Eating disorders and their core symptoms (eg, binge eating, body weight/shape concerns) disproportionately affect females, and these sex-differentiated effects become prominent during and after puberty. Although psychosocial influences such as heightened sociocultural pressures for thinness in girls and women contribute to this sex imbalance, biological factors could also play an important role. This narrative review summarizes evidence of biological factors underlying the sex-differentiated prevalence of eating pathology as well as within-sex variability in risk. There are sex differences in the pubertal emergence of genetic effects on eating pathology (adrenarche in males; gonadarche in females), and at least some genetic contributions to eating pathology seem to vary between the sexes. Furthermore, sex steroid hormones (eg, testosterone, estradiol, progesterone) are leading contributors to differential risk for eating pathology in males and females across the life span. Emerging data suggest that between-sex and within-sex variability in risk might occur via hormone-driven modulation (activation/deactivation) of genetic influences and neural responsiveness to food-related cues. There is a biological basis to heightened risk for eating pathology in females, relative to males, as well as unique biological influences within each sex. Findings from this review highlight the importance of studying both sexes and considering sex-specific biological mechanisms that may underlie differential risk for eating pathology •Some genetic effects on eating pathology vary between the sexes.•Sex steroids impact sex-specific genetic and phenotypic effects on eating pathology.•Testosterone exerts protective effects that reduce eating pathology in males.•Lower estradiol enhances genetic and phenotypic eating pathology risk in girls/women.•Neural responses to palatable food differ between the sexes, possibly via estradiol.

Sex/Gender presents a relatively new way to think about how biological difference can be produced over time in response to different environmental and social experiences. This book gives a clearly written explanation of the biological and cultural underpinnings of gender. Anne Fausto-Sterling provides an introduction to the biochemistry, neurobiology, and social construction of gender with expertise and humor in a style accessible to a wide variety of readers. In addition to the basics, Sex/Gender ponders the moral, ethical, social and political side to this inescapable subject. An interview with the author! WOMR - The Lowdown with Ira Wood - Sex an Gender Identity with Anne Fausto-Sterling: http://www.publicbroadcasting.net/womr/.jukebox?action=viewMedia&mediaId=1025429

This study investigated sex/gender differences in camouflaging with children and adolescents ( N  = 84) with and without an autism diagnosis/increased levels of autistic traits using two conceptualisations/operationalisations of camouflaging. A significant group-by-gender interaction using ANCOVA, with the covariate of verbal IQ, reflected similar levels of social reciprocity in autistic and neurotypical females, whereas autistic males had lower reciprocity than neurotypical males. Autistic females also had higher reciprocity than autistic males, despite similar levels of autistic traits (behavioural camouflaging). Additionally, autistic males and females had similar theory of mind skills, despite females having increased reciprocity (compensatory camouflaging). These findings provide evidence of increased camouflaging in autistic females, which may contribute to delay in the recognition of difficulties and provision of support.

Many college students register each semester for courses, leading to productive careers and fulfilled lives. During this time, the students have to manage many stressors stemming from academic, personal, and, sometimes, work lives. Students, who lack appropriate stress management skills, may find it difficult to balance these responsibilities. This study examined stress, coping mechanisms, and gender differences in undergraduate students towards the end of the semester. University students (n = 448) enrolled in three different undergraduate exercise science courses were assessed. Two instruments, the Perceived Stress Scale and Brief Cope, were administered during the twelfth week of the semester, four weeks prior to final exams. T-tests were used to detect gender differences for the stress levels and coping strategies. Overall, females indicated higher levels of stress than their male counterparts. Gender differences were evident in both coping dimensions and individual coping strategies used. Females were found to utilize the emotion-focused coping dimension and endorsed the use of four coping strategies more often than males. These included self-distraction, emotional support, instrumental support, and venting. This research adds to the existing literature by illuminating the level of perceived stress and different coping strategies used by undergraduate female and male students. In turn, students may need educational interventions to develop effective and healthy coping strategies to last a lifetime. Faculty and other university officials may want to highlight and understand these various factors to protect the students' wellbeing in their classes.

Biological (ie, sex) differences as well as cultural (ie, gender) norms influence the acceptance and efficacy of vaccines for males and females. These differences are often overlooked in the design and implementation of vaccination strategies. Using seasonal and pandemic influenza vaccines, we document profound differences between the sexes in the acceptance, correlates of protection, and adverse reactions following vaccination in both young and older adults. Females develop higher antibody responses, experience more adverse reactions to influenza vaccines, and show greater vaccine efficacy than males. Despite greater vaccine efficacy in females, both young and older females are often less likely to accept influenza vaccines than their male counterparts. Identification of the biological mechanisms, including the hormones and genes, that underlie differential responses to vaccination is necessary. We propose that vaccines should be matched to an individual's biological sex, which could involve systematically tailoring diverse types of FDA-approved influenza vaccines separately for males and females. One goal for vaccines designed to protect against influenza and even other infectious diseases should be to increase the correlates of protection in males and reduce adverse reactions in females in an effort to increase acceptance and vaccine-induced protection in both sexes.