The goal of this study is to examine two types of olfactory interventions (olfactory training vs overnight odor diffuser) in adults with HIV. The two research questions are: 1. Determine if participants find the intervention acceptable and assess feasibility of the study. 2. Determine if the intervention improves olfactory function and cognitive function. Participants will come to our office and be administered the baseline battery of questions including olfactory and cognitive performance tests. Then they will be randomized and sent home with one of the two interventions (below) in which they will engage in it for 8 weeks, after which they come back to our office for the posttest battery of questions including olfactory and cognitive performance test. 1. Olfactory Training at Home -- 4 scents in which they will smell twice a day for 8 weeks. 2. Overnight Diffuser Group -- a single scent diffuser that participants will turn on while they sleep and use for 8 weeks.
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FEASIBILITY & ACCEPTABILITY
Timeframe: From enrollment to the end of treatment at 8 weeks