"Symptoms of possible copper deficiency include anemia, low body temperature, bone fractures and osteoporosis, prominently dilated veins, low white blood cell count, irregular heartbeat, high cholesterol levels, increased susceptibility to infections, birth defects, loss of pigment from the skin, and thyroid disorders."

http://www.vitamins-supplements.org/dietary-minerals/copper.php

http://www.whfoods.com/genpage.php?tname=nutrient&dbid=53