Medical geology research has recognised a number of potentially toxic elements (PTEs),
such as arsenic, cobalt, chromium, copper, nickel, lead, vanadium, uranium and zinc, known
to influence human disease by their respective deficiency or toxicity. As the impact of
infectious diseases has decreased and the population ages, so cancer has become the
most common cause of death in developed countries including Northern Ireland. This
research explores the relationship between environmental exposure to potentially toxic …