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CHAPTER ONE INTRODUCTION Background to the Study Heavy metals are generally referred to as those metals which possess a specific density of more than 5 g/cm3 and adversely affect the environment and living organisms (Järup, 2003). They, without doubt, are important constituents for plants and humans, when present only in ...

ABSTRACT Anaemia is a common blood disorder that affects people of all ages, though people at greater risk are the elderly, young women and infants. Different drugs are used but many depend mainly on plants and herbal products for its treatment. In this study, the aqueous leaf extract of Justicia ...