The total value of world income is closing in on $70 trillion (Â£43.9tn) per year, and there are seven billion people in the world, so the average income is heading towards $10,000 (Â£6,273) per person per year. Easy.
Food sources of copper. The following foods are a good source of copper: avocados, livers, kidneys, molasses, whole grains, shellfish, oysters, nuts, fruit and legumes. Dosage. Copper appears in many good multivitamin and mineral supplements and could be taken alone up to 3 mg daily.
While one study suggests that high doses of supplemental vitamin C makes osteoarthritis, a type of degenerative arthritis that occurs with aging, worse in laboratory animals, another indicates that vitamin C-rich foods, such as lemons and limes, provide humans with protection against inflammatory polyarthritis, a form of rheumatoid arthritis involving two or more joints.