RecruitingDiagnostic testOral and Swallowing Function in Older AdultsThe purpose of this study is to learn about oral and swallowing function in older adults presenting to the emergency department. The hypothesis is that older adults often have problems with oral and swallowing function and these problems relate to other conditions. Study activities are done during the emergency department visit and include providing saliva samples, completing a bedside water swallow test, completing oral function assessments, completing respiratory function tests, and answering survey questions.