Improving clinicians' knowledge of lesbian, gay, bisexual, and transgender populations.The Health of Lesbian, Gay, Bisexual, and Transgender People: Building a Foundation for Better Understanding, from the Institute of Medicine, examines health status during three life stages (childhood and adolescence, early and middle adulthood, and later adulthood), defines gaps in research, and provides recommendations on improving clinicians' knowledge of these distinct populations. The book, which is published by the National Academies Press (and remains subject to copyright law), can be downloaded for free at the publisher's Web site: http://bit.ly/lRxMCf.