Before the days of mass literacy, medicine was more art than science, and people
recognized a pharmacy by the four traditional colored bottles that represent earth,
fire, air, and water. Medicine has come a long way since the days of the apothecary
with its impressive collection of powders and bottles; drugs today are highly
regulated and must comply with standards set by the U.S., Europe, Japan, and
other countries. A drug must be shown to be efficacious and meet rigorous
standards of purity, composition, and potency before being approved for use in
the patient populatio...