Doctors recommend that people of middle and old age to regularly include in the diet of fatty fish, because it is good for the heart and blood vessels. However, it turned out that this fish and also shrimp and other seafood contribute to and strengthen memory.

Polyunsaturated fatty acids omega-3 has a powerful antioxidant effect, whereby a permanent presence in the diet of herring, mackerel and representatives of the salmon family prevents the development of atherosclerosis and myocardial infarction and stroke.

A joint team of American and Dutch scientists found that elderly consumption of fish and other seafood reduces the risk of memory impairment, which is very common in this age group and in many cases not associated with dementia.

The American rush University (Rush University) and their Dutch colleagues from the University of Wageningen (Wageningen University) for 5 years, observed a group of very elderly population of 915 people. The average age of participants in this group was 81.4 years.

Study participants were selected so that none of them to the beginning of the study there was no Alzheimer’s disease or other forms of dementia.

All subjects once a year held a special testing to test different forms of memory (short-term, long-term, semantic, episodic and visual-spatial).

In addition, all participants over the study period was informed by scholars about the peculiarities of their food.

Researchers primarily interested in how often the subjects ate fresh fish and canned, as well as shrimp, crabs and other edible sea creatures of the deep.

The authors of this study found that compared with subjects that included fish and seafood in the diet is less than 0.5 times a week, those participants who ate this food 2 times a week, results in nearly all tests was much better.

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