The American Journal of Human Biology is a peer-reviewed internationally circulated journal that publishes reports of original research theoretical articles and timely reviews and brief communications in the interdisciplinary field of human biology. The Journal serves as a forum for scientists and health professionals who share common interests in understanding individual and population variation in health and disease. As the official journal of the HUMAN BIOLOGY ASSOCIATION the Journal also publishes abstracts of research presented at its annual scientific meeting. Reviews of books and other publications relevant to human biology are also regularly published. The Journal seeks scholarly manuscripts that address all aspects of the discipline of human biology. The transdisciplinary areas covered by human biology include but are not limited to epidemiology genetic variation population biology and demography physiology anatomy nutrition growth and aging performance and physical fitness exercise science ecology and evolution along with their interactions. The Journal publishes basic applied and methodologically oriented research from all areas including measurement analytical techniques and strategies and computer applications in human biology. Like many other biologically oriented disciplines the field of human biology has undergone considerable growth and diversification in recent years and the expansion of the aims and scope of the Journal is a reflection of this growth and membership diversification. The Journal is committed to prompt review and priority publication is given to manuscripts with novel or timely findings and to manuscripts of unusual interest.