Normal consumption of betel nut in large quantities will lead to nerve paralysis, hallucinations, and eating expired betel nut by mistake. Besides the symptoms of appeal, it will also produce symptoms of acute gastroenteritis such as vomiting and diarrhea. For the sake of health, it is better not to eat betel nut.

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Areca catechu (scientific name: ArecacatechuL. ) is an evergreen tree of Areca in Palmae. Its stem is erect and tree-shaped, and its height exceeds 10 meter, and the highest is 30 meters. There are obvious annular leaf scars, monoecious, multi-branched inflorescence, oblong ovary, oblong or oval fruit, oval seeds, and flowering in March-April.

Areca catechu is native to Malaysia, and China is mainly distributed in tropical areas such as Yunnan, Hainan and Taiwan Province. Widely cultivated in tropical Asia.

Areca nut is an important Chinese herbal medicine, and some ethnic minorities in the south still use it as a chewing hobby.

References:

Baidu encyclopedia /baike.baidu.com/item/ betel nut /584 134? Fr=aladdin"target="_blank "> betel nut tree