Betel nut is obtained from the Areca tree. The tree is grown in South and East Asian countries. The areca nut is combined with tobacco to make the betel nut. People chew betel nut since olden times. The nut has a stimulating effect. It has a pungent and astringent taste. People who chew this nut feel increased alertness and stamina. The nut is not good for health and it has some negative effects medically. Chewing this nut causes adverse reaction in women who are pregnant and nursing. The nut causes metabolic syndrome. We will tell you about the harmful effects of betel nut. Following are the harmful effects of chewing betel nut.