1. Sexuality: Pathways to Understanding *Here and throughout the book, information from the 2010 National Survey of Sexual Health and Behavior *New BOX on partible paternity ("Meet My Dads") *Economic approach to sexuality 2. Sex and Evolution *Males and females experience different reproductive risks: data from diverse cultures *Consensual and coercive sex among non-human primates *New studies on the adaptive significance of sexual reproduction 3. Women''s Bodies *New BOX on genital cosmetic surgery *Recent debate on mammography guidelines *Data on pubic hair removal practices 4. Men''s Bodies *"Controversy" BOX on male circumcision *Diagrams showing neonatal circumcision technique *New information on constituents of semen and their function 5. Sex Hormones and the Menstrual Cycle *Molecular structures of sex steroids *Update on steroids in sports, including Caster Semenya case *The six core symptoms of premenstrual syndrome 6. Sexual Development View this chapter (PDF, 3.98 MB) *BOX: An autobiographical essay by a young person with androgen insensitivity syndrome *Updated description of molecular genetics of sex determination, with new figure *Organizational effects of sex hormones on brain at puberty 7.
Gender *Influence of language on gender development *New findings on the brains of transexual men and women *"Controversy" BOX: How should we treat transgender children? 8. Attraction, Arousal, and Response View this chapter (PDF, 2.42 MB) *Body mass index and attractiveness: Cross-cultural studies *New research on rape fantasies *Rewritten BOX on beauty and culture 9. Sexual Behavior *New survey data on prevalence of sexual behaviors *Hewletts'' research on the significance of frequent sex among the Aka *BOX: What is "great sex?" 10. Sexual Relationships *Influence of sex ratio on college sex culture *What speed-dating studies tell us about flirtation *New findings on the brain basis of falling in love 11. Fertility, Pregnancy, and Childbirth *BOX: Myths of pregnancy *Core precepts of preconception care *Are home births safe? ACOG versus midwives 12. Contraception and Abortion *New ACOG guidelines on IUDs *New emergency contraception pill *BOX: Does abortion traumatize women? 13. Sexuality across the Life Span *"Breast ironing" in Cameroon *Does marriage have a future? Contrasting views *Great sex after 60 14.
Sexual Orientation *Anti-gay violence in Africa *Gay teens'' suicidal or thriving? *The latest on gay marriage 15. Atypical Sexuality *"Controversy" BOX: Should hebephilia be listed as a mental disorder in DSM-5? *Object fetishism: I married the Eiffel tower *Priestly sex scandal hits Philadelphia 16. Sexual Disorders *Expanded description of techniques: sensate focus, Kegels, coital alignment *Premature ejaculation: home remedies, sex therapy, or new drugs? *Faked orgasms: who, when, why--and why not 17. Sexually Transmitted Diseases *Gonorrhea: The good news (falling incidence) and the bad news (increasing drug resistance) *Evidence for herpes transmission between outbreaks *HIV: pre-exposure prophylaxis 18. Sexual Assault, Harassment, and Partner Violence *BOX: Rape in wartime *More on intimate partner violence at college *BOX: How young men can prevent sexual violence 19. Sex as a Commodity *BOX: New York City: The changing face of prostitution *BOX: Portland, Oregon: Juvenile prostitutes *"Sexting: Is it a crime?.