Even though aluminum is not considered to be a heavy metal like lead, it can be toxic in excessive amounts and even in small amounts if it is deposited in the brain. Many of the symptoms of aluminum toxicity mimic those of Alzheimer's disease and osteoporosis. Colic, rickets, gastrointestinal problems, interference with the metabolism of calcium, extreme nervousness, anemia, headaches, decreased liver and kidney function, memory loss, speech problems, softening of the bones, and aching muscles can all be caused by aluminum toxicity.

Aluminum is excreted by the kidneys, therefore toxic amounts can impair kidney function. Aluminum can also accumulate in the brain causing seizures and reduced mental alertness. The brain is normally protected by a blood-brain barrier, which filters the blood before it reaches it. Elemental aluminum does not pass easily through this barrier, but certain compounds contained within aluminum, such as aluminum fluoride do. Interestingly, many municipal water supplies are treated with both aluminum sulfate and aluminum fluoride. These two chemicals can also combine easily in the blood. Aluminum fluoride is also poorly excreted in the urine.

When there is a high level of absorption of aluminum and silicon, the combination can result in an accumulation of certain compounds in the cerebral cortex and can prevent nerve impulses being carried to and from the brain properly. Long term calcium deficiency can further aggravate the condition. Workers in aluminum smelting plants on a long term basis, have been know to experience dizziness, poor coordination, balance problems and tiredness. It has been claimed that the accumulation of aluminum in the brain could be a possible cause for these issues.

It is estimated that the normal person takes in between 3 and 10 milligrams of aluminum per day. Aluminum is the most abundant metallic element produced by the earth. It can be absorbed into the body through the digestive tract, the lungs and the skin, and is also absorbed by and accumulates in the bodies tissues. Aluminum is found naturally in our air, water and soil. It is also used in the process of making cooking pots and pans, utensils and foil. Other items such as over the counter pain killers, anti-inflammatory products, and douche preparations can also contain aluminum. Aluminum is also an additive in most baking powders, is used in food processing, and is present in antiperspirants, toothpaste, dental amalgams, bleached flour, grated

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