Journal: Translational psychiatry
This publication is a narrative review of betel nut use with a focus on addiction biology and intervention.
Key points:
- Burden and epidemiology
Betel nut is the fourth most commonly used psychoactive substance worldwide, with highest prevalence in the Asia–Pacific region.
Use is strongly linked to multiple health risks, notably oral cancer, cardiovascular disease, and metabolic syndrome.
- Addiction mechanisms
The main active alkaloid, arecoline, is highlighted as the driver of dependence.
Arecoline influences:
- Cholinergic pathways
- Dopaminergic reward circuitry
- Glutamatergic transmission
The review also discusses roles for:
- The gut–brain axis
- Immune–inflammatory processes
in modulating addictive behavior and systemic harm.
- Intervention strategies
Pharmacologic approaches: agents targeting nicotinic receptors are described as promising candidates.
Neuromodulation: techniques such as real-time fMRI neurofeedback are identified as emerging strategies to alter craving-related brain activity.
Psychological interventions: cognitive–behavioral therapy (CBT) is presented as a useful behavioral treatment component.
Public health and policy: regulation, education campaigns, and population-level control measures are emphasized as necessary to reduce use and related diseases.
- Future directions
The authors call for:
- Precision medicine approaches (tailoring interventions based on individual biological and behavioral profiles).
- Interdisciplinary, integrated care models combining pharmacologic, neuromodulation, psychological, and public-health strategies.
Overall, the article synthesizes current knowledge that betel nut is a major, under-recognized addictive substance with clear carcinogenic and cardiometabolic harms, and it outlines biologically informed, multilevel intervention avenues rather than any single definitive treatment.