Synopsis

Source of validity: Scientific
Rating (out of 5): 2

There is emerging but limited scientific evidence suggesting that citrus oil, particularly essential oil from citrus fruits like orange or bergamot, may help support individuals attempting to quit tobacco smoking or chewing. The rationale is rooted in the effects of citrus oil aromatherapy on mood and cravings. A handful of small studies and clinical trials have indicated that inhaling citrus essential oil can reduce nicotine cravings, anxiety, and withdrawal symptoms. For example, a 2013 randomized controlled trial found that inhalation of bergamot essential oil for several minutes led to a reduction in cigarette cravings among habitual smokers. Another pilot study in 2017 examined sweet orange oil and found similar, though modest, effects on mood and craving reduction.

The proposed mechanisms involve the modulation of neurotransmitters such as serotonin and dopamine, as well as the pleasant sensory distraction provided by the citrus scent. However, the quality and quantity of research are still limited, with small sample sizes and short durations. Thus, while citrus oil is not a replacement for standard cessation therapies, it may serve as a complementary approach for some individuals. It is not widely recognized in clinical guidelines, and more robust trials are needed to confirm efficacy.

In summary, there is modest scientific support for the use of citrus oil in managing tobacco addiction, primarily as an adjunct to other therapies rather than a standalone treatment. The evidence base at present warrants a low-to-moderate confidence rating.

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