That I know of OCD is not caused by copper, it is caused by mercury. Although, copper is in certain foods, and in most foods by trace amounts. Vegatarian diets are high in it, and if you have a genetic tendacy to accumulate it that does'nt help either. (IE liver problem, pryroluria etc) Read why am I always so tired. By Melissa Smith . Adrenals surpressed b y mercury can cause copper to build. Although mercury is causing the build up (mercury favors copper build up because of the surpression of zinc) Doing a zinc taste taste with metered zinc tally (zinc sulfate 1% solution) you taste the metaliic taste if you are fine if not you need more zinc which means only one thing, you have a copper overload to some extent.