Chronically elevated copper levels in most patients may result from one-sided diets that lack co-factors or copper antagonists, or from the fact that many copper-rich foods are somewhat addictive, such as cocoa, chocolate products, colas, coffee, or tea. Other copper sources include seafood shellfish, seeds and nuts, soy products, liver, foods or beverages that are cooked or stored in copper containers, tap water, and copper IUDs... Full Text