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Uses. Areca seed is used for centuries as mild psychostimulant, | Uses. Areca seed is used for centuries as mild psychostimulant, | ||
Side effects. The coloring matter present in the seeds turns the saliva bright red. Excessive use for years may stain the teeth red-brown to nearly black. Salivation and inappetence occur. Betel use is associated with oral leukoplakia, | Side effects. The coloring matter present in the seeds turns the saliva bright red. Excessive use for years may stain the teeth red-brown to nearly black. Salivation and inappetence occur. Betel use is associated with oral leukoplakia, | ||
- | An association between betel-nut chewing and bronchoconstriction in asthmatic patients was established. [Taylor RF, al-Jarad N, John LM, Conroy DM, Barnes NC, Lancet, 339(8802), (1992), 1134-6]\\ | + | An association between betel-nut chewing and bronchoconstriction in asthmatic patients was established. |
+ | [Taylor RF, al-Jarad N, John LM, Conroy DM, Barnes NC, Lancet, 339(8802), (1992), 1134-6]\\ | ||
Toxicity. Large doses (10g seeds or more) may lead to respiratory or cardial failure. Atropine is suggested as antidot. [Hager, CRC] | Toxicity. Large doses (10g seeds or more) may lead to respiratory or cardial failure. Atropine is suggested as antidot. [Hager, CRC] | ||