Areca(Betel nut) :we call this nut as adakka in malayalam. This nut is also called Betel nut .And always confused with betel leaves, which is used to wrap the paan. Areca nut is a palm-tree, whereas the Betel leaves are got from a climbers. Areca nut affects almost every organs of human body. Habitual chewers of areca along with Betel leaves will have a great risk of developing severe diseases. Like cancer in mouth, liver, lung, cervix and stomach with regular use of Betel. In India, we use this areca with betel leaves in worshipping God and in every occasion.After meal it's a tradition to offer areca with betel leaves to guests.