Method of determining the risk of cancer in men depending on the concentration of copper in the blood (Pat.243834 ) 2. Method of determining the risk of cancer in men depending on the concentration of arsenic in the blood (Pat. 243835) 3. Method of determining the risk of cancer in women depending on zinc concentration in blood (Pat.243832) 4. Method of determining the risk of cancer in men depending on the concentration of zinc in the blood (Pat.243833) 5. Method of determining the risk of cancer in men depending on the concentration of lead in the blood (Pat.243865) 6 . Method of determining the risk of cancer in men depending on the concentration of selenium in the blood (Pat.243864) 7. Method of determining the risk of cancer in women depending on the concentration of cadmium in the blood (Pat.243866) 8. Method of determining the risk of cancer in men depending on the concentration of cadmium in the blood (Pat.243863