Introduction
All organisms including human beings are exposed to a myriad of toxins from within the environment .The food we eat, the water we drink and the air we breathe, soaps ,cosmetics and other chemicals used in our daily lives contain toxins. Almost everything within the environment if taken in sufficient amounts can turn out to be poisonous or harmful .Therefore; there is a need to apply quick and cheap methods of testing and to determine the amounts of toxins in substances. Toxicity presents a complex variation between individuals. An amount that can harm one individual may not harm the other person.
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