Family sex communication is critical to promoting the development of healthy sexualities among young people and has yet to be studied among Arab Americans. We sought to (1) describe religiosity, perceived parental acculturation, and family sex communication among Arab American young adults, and (2) examine the association between parental acculturation and family sex communication, and whether it is mediated by religiosity or gender. We conducted a cross-sectional quantitative study. Participants (N = 100) were recruited via purposive sampling. Data were collected by in-person and...