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23.09.2022


Berries inhibit arteriosclerosis

Arteriosclerosis is a vascular disease in which crucial blood vessels gradually become less flexible and can transport less blood and, as a result, the risk of infarcts and strokes increases. According to a Norwegian experimental study, this process slows down if you eat more berries and other colored fruits.


Berries inhibit arteriosclerosis


Study
In 2009, cardiologists from Ulleval University Hospital in Nutrition, Metabolism & Cardiovascular Diseases published a trial in which 464 men participated as test subjects. Some of the men received advice about a healthy diet in the period 1997-1999, [Intervention] while others did not. [Control]

That advice included that the subjects increase their intake of fresh fruit and vegetables. This was especially true for colorful fruit and vegetables, and in the first place for red and blueberries.

Using scans, the researchers determined to what extent the blood vessel walls - the carotids, to be precise - of the men became narrower over the three years. They also determined the effect of nutrition education by mapping the dietary patterns of the study participants.


Berries inhibit arteriosclerosis


Using scans, the researchers determined to what extent the mens's blood vessel walls - the vessel walls of the carotids, to be precise - became narrower over the three years. They also determined the effect of nutrition education by mapping the dietary patterns of the study participants.

Results
The main effect of the healthy diet information was that the men had started to eat more fruits, berries and vegetables. As a result, their intake of folate, provitamin A and vitamin C increased.


Berries inhibit arteriosclerosis


In both the group that had received nutritional information and the control group, the condition of the vessel walls had deteriorated. The vessel walls of the carotids had thickened. But the extent to which this had happened was tens of percent less in the men who had started eating more berries than in the men who had not changed their diet.


Berries inhibit arteriosclerosis

Berries inhibit arteriosclerosis


When the researchers tried to find associations between the men's diet components and changes in the arterial walls, they found that vitamin C was a factor. The more vitamin C intake had increased, the less the the men's carotid vessel wall condition had deteriorated.

Conclusion
Expressed in milligrams, however, the increase in vitamin C intake was too small to have much of an effect, the Norwegians suspect.

"It is likely that vitamin C is a marker of increased fruit, berries and vegetables, foods that may influence atherosclerosis by a number of mechanisms", the researchers write.

Source:
Nutr Metab Cardiovasc Dis. 2009 Jan;19(1):8-14.

More:
More berries, less cholesterol 20.03.2022
Daily cup of blueberries protects against heart attack 29.06.2019
Aronia delays aging of heart and blood vessels 03.06.2016
Cranberries help liver clear more cholesterol out of your blood 05.12.2008

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Cardiovascular Health
Berries


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