Arsenic as an environmental and human health antagonist: A review of its toxicity and disease initiation

Arsenic is a naturally occurring and ubiquitously present metalloid in soil, water, food, and the environment. Arsenic exposure to human through various sources such as contaminated groundwater and other human activities have become a significant global concern. This is because arsenic has been shown to exhibit extreme toxic potential with serious health implications. Its exposure to humans is linked to myriads of disorders and this represents a major threat to the health, economic, and social well-being of people, especially, in the less-developed countries of the world. Major diseases that have been linked to arsenic poisoning are diabetes, hyperkeratosis, cancer, hypertension, and neurodegeneration, etc.…