What can be the reason for elevated copper in the blood stream, and how can this be reduced?

Gabriela, I agree with the answers below that food and water contribute to an overload of copper. Also, long term birth control can be a direct cause, as can low zinc status and a mostly vegetarian diet. Do any of these resonate with you? There are definite ways to reduce your load, but that needs to be addressed specifically for your situation. A complete analysis of your health history is in order.

We often aquire heavy metels of many kinds through a variety of ways. Polution in the air, our water, chemicals in and around our homes and workplaces. It's hard to tell exactly where without extensive research but there are ways to combat it.

Relying on a more plant based diet can be one way to help rid our bodies of these nasty toxins. Adding spirulina and/or barley green powder to your diet can help rid the body of them as well.

Start your day with a warm cup of water with fresh lemon juice squeezed into it first thing. This helps our body rid itself of the toxins it has cleaned up for removal over the nighttime maintenance process.

Too much copper - can result in taking in too much copper possibly through water or supplements, it could be associated with liver disease, anemia, Hemocrhomatosis where your body absorbs too much iron, overactive thyroid, underactive thyroid, infection, leukemia, rheumatoid arthritis. It definitely needs check out further and I would recommend going to a Functional Medicine Practitioner to identify the cause. (Website https://www.ifm.org/find-a-practitioner/ )

We get copper from through our diet, In foods such as liver and other organ meat, seafood, beans, and whole grains. Too much copper can be toxic. You can get too much from dietary supplements or from drinking contaminated water. You can also get too much copper from being around fungicides that have copper sulfate. Extra copper can damage the liver, kidneys, brain and eyes. It can even cause nerve damage. It can also interfere with how your body absorbs zinc and iron. There are ways to rid this from the body but I would seek medical help from your doctor.