According to the National Institute of Health, Magnesium is needed for more than 300 biochemical reactions, including maintenance of normal muscle and nerve function, strong bones and steady heart rhythm. It is also involved in energy metabolism and protein synthesis.

Now, according to an important new a research study at Massachusetts Institute of Technology, researchers found that rats supplemented with Magnesium, their levels of communication between brain cells was activated. Lab rats were fed the equivalent of a human dose of 400 milligrams of Magnesium a day.

The result, was that the mineral increased the activity of receptors that control learning and memory. Specifically, it enhanced the activity at the synapse, the gap between two neurons, or brain cells.

The results were most impressive in female rats. Women typically have lower Magnesium levels than men. This deficiency condition may play a critical role in why women are at greater risk for Alzheimer's.

Unfortunately, levels of Magnesium in the American diet has declined since the Industrial Revolution. Federal studies in nursing homes indicate that virtually all residents have Magnesium deficiency.

The typically high fat content of the modern diet prevents Magnesium from being absorbed. Magnesium is present in small amounts in many foods, one reason a varied diet rich in fruits and vegetables is recommended.

To assure essential Magnesium intake, daily supplementation is also recommended.

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