Two handfuls of walnuts a day may be helpful against the development of cardiovascular disease , researchers say. Consumption of these nuts lowers cholesterol levels , which reduces the risk of heart attack, they explain.
Walnuts contain important nutrients, including unsaturated fats , proteins , vitamins and minerals. They are the only nuts that provide a significant amount of alpha-linolenic acid - 2.5 g for the amount of 30 g. This acid is a plant form of omega-3 fatty acids .
According to the researchers, the data from the study once again prove that the consumption of walnuts reduces the risk of cardiovascular disease.
For the purpose of the study, a meta-analysis of 61 separate control studies was performed. Walnuts have been found to be effective in lowering the levels of "bad" LDL cholesterol in the body. It is among the main risk assessment factors for cardiovascular health .
According to the data, the consumption of at least two servings of walnuts daily shows a strong effect on lowering cholesterol levels.
In particular, the researchers explain that the consumption of these nuts can be especially useful for lowering cholesterol and the risk of cardiovascular disease among people with type 2 diabetes .
The total number of participants whose data were analyzed was 2,582. The amount of walnuts consumed varied from 5 g to 100 g each day and the majority of participants followed their usual diet.
Various studies have found that these nuts also lower levels of "good" cholesterol , reduce inflammation and improve arterial function. In addition, walnuts are a source of fiber - 2 g for 30 g of walnuts, and protein - 4 g for a serving of 30 g.
The study is published in the American Journal of Clinical Nutrition .