Ключевые слова: addiction, areca, asia, asian, background, betel, brown, bunch, chewing, chinese, color, commercial, crops, culture, digestive, dry, eat, food, fruit, hanging, herb, herbal, horizontal, india, ingredient, long, material, medical, medicine, natural, nature, nut, palm, red, religious, rows, salt, seed, slice, southeast, spitting, thai, traditional, vegetables,