This review examines the impact of aromatic scents on vital biological systems, particularly the nervous, respiratory, and cardiovascular systems. This study presents an integrated analysis of recent scientific findings, highlighting both the therapeutic and potentially adverse effects of various essential oils. Evidence from studies published up to 2023 supports the notion that certain aromas can positively modulate neurological function, improve respiratory efficiency, and affect heart rate and blood pressure. However, this review also identified inconsistent findings and methodological limitations in the literature. Based on the reviewed studies, this paper emphasizes the need for more rigorous and standardized clinical trials and proposes future research directions to explore the optimal dosages and mechanisms of action.
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Al-Shebel et al. (2025) studied this question.
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