Table of Contents

1 Front Matter; 2 Executive Summary; 3 1 Introduction; 4 2 Every Cell Has a Sex; 5 3 Sex Begins in the Womb; 6 4 Sex Affects Behavior and Perception; 7 5 Sex Affects Health; 8 6 The Future of Research on Biological Sex Differences: Challenges and Opportunities; 9 References; 10 Appendix A: Data Sources and Acknowledgments; 11 Appendix B: Physiological and Pharmacological Differences Between the Sexes; 12 Appendix C: Glossary; 13 Appendix D: Committee and Staff Biographies; 14 Index

About the Author

Theresa M. Wizemann and Mary-Lou Pardue, Editors, Committee on Understanding the Biology of Sex and Gender Differences, Board on Health Sciences Policy