Why is cheolation now approved by the f.d.a.not ...

The use of intravenous EDTA is only approved for heavy metal poisoning. Unfortunately, it does not correct the associated hearing loss.

The following was taken from the American Cancer Society website.

Chelation therapy is a proven treatment for lead poisoning and poisoning from other heavy metals. However, available scientific evidence does not support claims that the treatment benefits patients with cancer, heart disease, or any medical problems other than heavy-metal poisoning.

There are no published studies that reliably show benefit from using chelation therapy with EDTA against cancer. Some laboratory studies have suggested that agents other than EDTA that chelate copper or iron may affect cancer cells or the formation of tumor blood vessels. In a small study using mice, researchers studied iron-chelating agents to see if they would reduce the growth of neuroblastoma, a type of cancer in infants and young children. The results, published in 1998, concluded that chelation therapy did not shrink tumors. Few studies of the use of chelation therapy against cancer in humans have been published in peer-reviewed medical journals. These few studies have been small and have not shown a significant level of effectiveness. Research is continuing in this area. A 2006 study found that a new iron chelator called di-2-pyridylketone-4,4,-dimethyl-3-thiosemicarbazone reduced growth of skin cancer cells in mice. However, this experimental treatment has not been tested in humans and is very different from the chelation agents used by alternative practitioners.

Available research does not yet support claims that chelation therapy can treat heart disease. Randomized clinical trials have found that chelation therapy drugs did not benefit patients with impaired circulation in their legs. In 1993, a review of all chelation therapy studies reported during the previous 37 years concluded that scientific data did not support claims that the treatment was useful for treating heart problems. Studies published since then have generally reached the same conclusion. A very large, placebo-controlled study sponsored by the National Center for Complementary and Alternative Medicine is now under way and should provide a more definitive answer as to whether chelation therapy has any effects on heart disease.

According to a number of well-respected organizations, including the American Heart Association, the American Medical Association, the Centers for Disease Control and Prevention, the American Osteopathic Association, the American Academy of Family Physicians, and the FDA, there is no scientific evidence that chelation therapy is an effective treatment for any medical condition except heavy metal poisoning.