CHAPTER
ONE
INTRODUCTION
1.1 Background of the Study
Historically,
drugs have been part of the daily life of human beings. From the primitive mixtures
and concoctions, to the present day highly effective tablets, capsules, syrups,
suspensions etc. Drugs have been vital to the survival and well being of
humanity. According to Falawiyo (1988) cited by Oniyama and Ikekhua (2006),
