The main active ingredient in Red Bull and other energy drinks is
A. taurine.
B. caffeine.
C. guanine.
D. tyrosine.
Question 2
One major grouping of hallucinogens typically allows the user to remain in some touch with the real world and to remember much of what he or she experienced. This group of drugs was referred to as the
A. narcotics.
B. entactogens.
C. psychotomimetics.
D. phantastica.