Areca catechu (palm tree) nut chewing and seizures: An observational study
2017
Abstract Objective The objective of this study was to report the impact of chronic abuse of Areca catechu nut wrapped in leaf (also known as doma , quid , paan ), the fourth most commonly abused psychoactive substance worldwide, on the frequency of seizures among people with epilepsy. Methods People with clinically diagnosed epilepsy (> 14 years old) residing in the Kingdom of Bhutan were surveyed for self-reported Areca catechu use, demographic variables, epilepsy characteristics, and seizure frequency. The relationship between seizure frequency in the prior month and chewing Areca catechu , adjusted for various confounders, was analyzed using multivariable regression models. Results There were 152 people with epilepsy, including 50 chewers (33%) and 102 (67%) nonchewers. The median duration of chewing A. catechu was 62 months (25th, 75th percentiles: 24, 120 months). Chewers consumed an average of three nuts daily. There was no significant difference between chewers and nonchewers in the mean age, proportion of male vs. female, age at first epileptic seizure, or number of antiepileptic drugs presently taken; chewers were more likely to be rural dwellers (p = 0.042). After adjustment for all of the above variables, on average, chewers had 58.7% fewer [95%CI: (− 79.4, − 17.0)] seizures in the prior month, equating to 2.1 fewer [95% CI: (− 3.9, − 0.3)] seizures. Conclusions Our observational study suggests that the social custom of chewing Areca catechu nut is associated with reduced seizure frequency among people with epilepsy. This association may be due to its natural stimulant properties, a novel antiepileptic property of the nut, or has another, yet unknown explanation.
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