Which of the following is a hormone that has been touted for its antiaging effects?
a. Areca
b. Melatonin
c. Ginkgo biloba
d. DHEA
Question 2
Chewing betel nut is __________.
a. a ceremonial hallucinogen used by some African tribes
b. one of the most frequently used psychoactive drugs in the world
c. a medicinal treatment practiced by New Guinea Papuans
d. none of these