This sourcebook provides information about sexual orientation, gender identity, discrimination, stigma, and major health challenges for LGBTQ+, along with social determinants, reproductive health, and LGBTQ+ data and demographics. It also describes the physical health concerns of the LGBTQ+ community, including how to prevent sexually transmitted infections and address LGBTQ+ mental health challenges, along with age-specific behavioral health trends. It offers helpful information about social considerations for the LGBTQ+ community in legal, education, and employment opportunities. A glossary of terms and a directory of organizations for further help and information are also provided.