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Systematic review demonstrates olfactory stimulation reduces neuropsychiatric symptoms in older adults with dementia, suggesting its practicality and low cost.
Olfactory stimulation may not significantly enhance cognition but suggests potential benefit in reducing neuropsychiatric symptoms among individuals with dementia, supporting its role as a non-invasive, feasible, low-cost non-pharmacological intervention.
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Tang et al. (2026) studied this question.
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