Conflicting data on the causes of Alzheimer's disease

Scientists argue about the role of aluminum, zinc and other substances in the development of Alzheimer's disease.

neuronal cell death occurs Alzheimer's disease.spores that leads to the atrophy of nervous tissue maintained in scientific circles.

Aluminium

One of the most well known, but at the same time, conflicting theories concerns aluminum.Following the discovery of the metal traces in the brains of Alzheimer's patients he began to suspect that it contributes to the development of dementia.However, more recent studies have failed to confirm this hypothesis, or simply give questionable results.

During the postmortem studies of aluminum in excess of the rate actually was found in people with Alzheimer's disease, though not all.On dubious results influenced by the fact that some of the aluminum may be present in materials used in laboratories for the study of the brain tissue.

Aluminium - a common element in the earth's crust, it is found in small amounts in many household chemical goods and pr

oducts.That is why there is fear that aluminum is obtained from food or by other means, can be a factor in the development of Alzheimer's disease.

On the other hand, people who have been significantly affected by aluminum, increased risk of Alzheimer's disease was not observed.Additionally, aluminum, which is present in the container, misses the food and aluminum initially contained in some foods, such as potatoes, not absorbed by the body.In general

scientists agree that the aluminum plays a role in the pathophysiology of Alzheimer's disease.But what - is not known.

Zinc

Regarding zinc scientists also argue.Some believe that the cause of Alzheimer's disease becomes too small amount of zinc, especially in certain areas of the brain other blame high zinc content in the body.

In a recent laboratory experiment zinc contributed to the formation of clumps of beta-amyloid protein in samples of cerebrospinal fluid.But insoluble deposits of this protein in the brain is a hallmark of Alzheimer's disease.

Food toxins

suspected of neurotoxicity were two substances found in some legumes African, Indian and Guam origin.Both effects enhance glutamic acid - neurotransmitter of the central nervous system, having high concentrations of neurotoxic effect.

In 1987, Canada was recorded outbreak of poisoning in which cases have been observed neurological symptoms.Then it turned out that people were poisoned mussels contaminated with domoic acid - a toxin, also acting through glutamic acid receptors and causes the death of neurons.

While these toxins can not be the cause of dementia, they may eventually shed light on the mechanisms that lead to damage of the nerve cells in Alzheimer's disease.

Viruses Some viruses are able to for decades hidden there in the human body and become active under certain circumstances, cause damage and death of nerve cells.For many years, researchers have tried to find a virus or other infectious agents in Alzheimer's disease, but reliable information yet.

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