“…Usually, the first recognized health effects for people exposed to arsenic is skin lesions which include diffuse melanosis accompanied by spotted melanosis, hyperpigmentation, and keratosis. In the case of Bangladesh with a large number of tube wells installed over the course of 5 to 20 years ago, arsenic contamination occurs for people that will and have continued to drink of water obtained from contaminated tube wells over the course of the year [3,9,14] . Earlier reports on the health effects caused by arsenic date back to 100 years ago and include some [ dermatological effects such as alterations in pigmentation, hyperkeratosis, skin cancer and so forth.…”