Recent research suggests that people, whose diet is rich in omega-3 components, tend to have lowest blood levels of protein called beta-amyloid.
It has been discovered that through examination of people, who are suffering from Alzheimer's disease, that they are subjected to have high levels of beta-amyloid deposits in their brains. Rather, several studies have recommended that detection of the disease is usually carried out by taking into account the levels of protein, if the level is shown to be high, then the person is suffering from the disease. However, the prediction is only possible before memory loss occurs.
The recent study conducted included older people, who had not lost their memory. The participants were asked about their diet, so as to acknowledge the key nutrients they included in their food.
After taking into account their dietary habits, their blood tests were conducted, almost after a year of their dietary survey. It was discovered that the people who included omega-3 fatty acids in their diet had low levels of the protein. However, similar levels were not obtained with other nutrients.
Researcher Nikolaos Scarmeas, MD, of New York's Columbia University Medical Center asserted that even a minimum intake of the nutrient daily could help lower down the levels of beta-amyloid .
He explained that the dietary omega-3 fatty acids can be sub-divided into group: alpha-linolenic acid (ALA), which can be obtained by consuming soybean oil, canola oil, walnuts, and flaxseed; and docosahexaenoic acid (DHA), which is found in abundance in salmon, sardines, tuna, and other fatty fish.
He said, "We know that omega-3 helps protect against heart disease. Now there is emerging evidence that it may protect the brain as well as the heart".
Moreover, it has been demonstrated that Mediterranean diet also can help protect against Alzheimer's disease.
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