ArticleHealth science reports2026
Effects of Lavender Inhalation Aromatherapy on Depression in Individuals Undergoing Drug Treatment for Substance Dependence: A Randomized Clinical Trial.
Article in Health science reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Background and Aims: Depression is common among individuals undergoing treatment for substance dependence and may adversely affect outcomes. This study determined the short-term effect of lavender aromatherapy on depressive symptoms in individuals undergoing treatment for substance dependence. Methods: This single-blind, parallel-group randomized clinical trial was conducted in residential addiction treatment centers in Isfahan, Iran, in 2025. Using convenience sampling, 56 participants were allocated to intervention ( Results: Baseline depression scores were not significantly different between groups (14.71 ± 5.50 vs. 13.11 ± 5.94; mean difference = 1.61, 95% CI: -1.46 to 4.67; Cohen's Conclusion: Lavender inhalation aromatherapy was associated with a significant short-term reduction in depressive symptoms among individuals undergoing drug treatment for substance dependence. Given the short intervention period, immediate assessment, absence of follow-up, lack of placebo or attention control, and self-report outcome measure, findings should be interpreted cautiously and not as definitive evidence of durable or specific clinical efficacy. Longer trials with follow-up and appropriate comparators are needed.
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