Sex, gender, sexual orientation, and more: Sexual diversity in Alzheimer's research needs a new lens to achieve inclusive research and generalizable results.

Sex, sexual orientation, and gender identity (SSOGI) will be asked in ADRD studies.SSOGI data will expand representation of research participant identities.SSOGI data are on a collision course with sex differences research.Both emphasize sexual diversity (SD) largely as SSOGI identity categories.Diversity, Equity, and Inclusion efforts must develop SD methods in ADRD research.