Efficacy of Areca Fruit - Increase stamina and male sexual desire - Shrink the uterus / close the vagina - Back pain (topical) - Scabies (topical) - Diheria - Treating skin wounds (topical) - Worms - Dysentery - Clean and strengthen teeth and gums. - Lowers cholesterol  Warning!!!! Betel nuts contain alkaloids that are doses. Signs poisoning is sweating, dizziness and nausea. Immediately stop using if this happens. First aid given sugar water and coconut water and given a medicine that causes vomiting.