The paper attempts to discuss the issue of heavy metal toxicity, their sources and detoxification have been discussed. The excretory organs for heavy metals, Oral Chelation Supplements as well as the poisonous effect of lead have been observed. Sources and potential effect of lead, Carcinogenicity of Lead, signs and symptoms of lead poisoning have also been addressed. Epidemiology Studies on metallic lead workers have been reported. Conclusion and recommendations were made. Some of such recommendations is Government should review and enforce its existing regulations and by-laws on environmental pollution, and Government should encourage the use of plastic pipes for boreholes and pipe born water from dams and rivers for human consumption and irrigation purposes.

Keywords:  Lead, sources, poisonous effect, carcinogenic, signs and symptoms, epidemiology.