Copper imbalance impairs the immune system. Research is underway investigating the role of excess copper in tumor angiogenesis. Elevated copper on a hair mineral analysis, when the level is above about 12 mg% and persists at this level, is often related to a tendency for infections and even cancer. Cancer is associated with all three copper imbalances – deficiency, excess and biounavailable copper, which is a combination of the other two. This is one reason for the cancer epidemic we experience