Is eggs doing well or should they be avoided? How much food per week? For years it was heard that this food hurt because it increased the levels of cholesterol and therefore the risk of cardiovascular disease. Nowadays, countless studies have not only shown that there is no connection between egg consumption and the increase in the risk of heart attack or stroke, but that this food can even protect against cardiovascular risks. It is true that the egg contains cholesterol, but it is also true that this food does not have the possibility to increase the levels of cholesterol in the blood that instead takes place with the intake of saturated fats, for example in the snacks or pre -packaged foods.
To confirm the benefits of the heart of this food again, a new study from the University of California of San Diego (UCSD), which not only discovered that consumption of two to four eggs per week is lowering the levels of cholesterol in the blood, but also improves cognitive functions. The details of the research have been published Nutrients. However, it is always good to remember that there are eggs and eggs: those of intensive breeding, divided into different categories and those of small zero kilometers of breeders. The differences are also enormous in terms of health.
Improve eggs cognitive functions
The researchers investigated the data with regard to 890 people (men and women), originating from a study on aging, started in 1988, which tested three aspects of cognitive function in adults of the middle and the elderly over the course of four years. The analysis showed that among the 531 women investigated, those who stated that they eat several eggs showed a lower decrease in short and long -term memory. The association was not found among the men who ate more eggs.
Another analysis of the data, carried out by the research team, in the Dari self -database, but of a cohort of a different decade, discovered that the men who ate more eggs obtained better scores in cognitive tests, while not showing the same association in women. This suggests that other factors that must be investigated by further research will probably also play an important role. “Despite the eggs, high levels of food cholesterol -declared women’s researchers contain Crifz -Silverstein and Ricki Bettencourt of the UCSD -, they have not shown that they have harmful effects on the body, but rather to play a protective role in the time of the cognitive function”.
The recovery of animal origin products
For almost half a century it was recommended by doctors and nutrition experts to prevent animal products with high cholesterol, such as eggs, butter or cream, because it was thought that blood cholesterol levels increased, and therefore the risk of cardiovascular disease. Although this advice can be valid for some people with certain pathologies, such as diabetes, New Tests suggest that saturated fats, sugar and sodium are actually the most important for the accumulation of plaque in the arteries, and not food cholesterol. However, the problem is that many cholesterol -rich foods also offer a good dose of saturated fats. However, some are an exception, such as eggs and shellfish.
Egg consumption lowers cholesterol levels
As appears from various studies, eggs can lower cholesterol levels in the body, an effect that also seems to help protect against cognitive decline. “The eggs – underline critz -silverstein and Bettencourt – are rich in proteins, amino acids and cholesterol, factors that can help retain the structure and function of neurons in the brain”.
“They also contain – they persecuted – carotenoids, associated with the improvement of cognitive performance, and are rich in choline, a precursor to a fundamental neurotransmitter. Transversal studies have shown in this respect that the test subjects with a larger range of choline and people of cogaconations have” have better scores ” There are still many unanswered questions about the nutritional benefits of the eggs, but these recent discoveries offer further proof that if a food is full of cholesterol, this does not necessarily mean that it hurts the heart or brain.
How many eggs to eat per week
We have seen that the eggs play a protective role of the heart and brain, but like all foods they must be taken in the right quantities and cooked in the healthiest way. Doctors and nutritionists recommend consuming no more than four or five eggs per week, depending on also on age and food and life habits, and to cook it in a healthy way. It is not the same to eat a fried egg or a boiled egg or on the chaff.
“To make the egg more digestible and the food acts does not lose – the nutritionist Giovanna de Leo explains – it is good that the cooking time is not long (it is better to switch off immediately after the boil). Included in the yolk) that prevent their absorption” “
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