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The study consisted of observing 24 adults, half of whom had normal cholesterol levels and the other half had high levels.
Study participants were given two servings of high-fat salami and cheese, which they consumed one week apart.
To one portion, the scientists added five teaspoons of olive oil, and to the other, the kernels of eight walnuts.
Tests show that both olive oil and walnuts help reduce inflammation in the arteries, which occurs suddenly after a meal rich in saturated fat, and which over time promotes hardening of the arteries and increases the risk of heart disease and stroke.
However, unlike olive oil, walnuts also help maintain the elasticity and flexibility of the arteries.
Treats heart rhythm disorders
Researchers also note that the alpha linoleic acid in walnuts may be beneficial for people with heart rhythm disorders.
They warned the study participants that they could eat absolutely anything they wanted, as long as they also consumed nuts.
“This suggests that the protective fats in walnuts counteract the effects of saturated fat in the diet, while neutral fat, such as olive oil, does not play as important a role,” says Robert Vogel, a professor at the University of Maryland, Baltimore.
Because they are elastic, arteries can stretch when blood flow improves.
Fat consumption interrupts the production of nitric oxide by the “lining” of the arteries, which is necessary to keep blood vessels flexible.
Walnuts also contain antioxidants and arginine, an amino acid used by the body to produce nitric oxide.
For vegetarians
Especially for vegetarians, the advice is to combine nuts with vegetables and bread.
Walnuts and hazelnuts can replace most animal nutrients for vegetarians.
Nutrients include most B vitamins, phosphorus, iron, copper, potassium, and protein.
Like all proteins from plant sources, those from walnuts and hazelnuts are not inferior in quality to animal proteins.
However, in combination with bread, cereals and legumes (especially soy and lentils) you can get the full and balanced range of essential amino acids.
What are the benefits of walnuts for human health?
1. Improves heart health. Nuts are full of omega-3 fatty acids, which improve heart function and health. Eat a few nuts every day to lower blood pressure and bad cholesterol.
2. Improves brain health. Omega-3 fatty acids improve not only the work of the heart, but also of the brain. They improve the function of the nervous system and memory.
3. Prevents breast cancer. Eating a few walnuts every day can reduce the risk of breast cancer.
4. Supports bone health. Walnuts contain an essential fatty acid known as alpha-linolenic acid. This acid can help your bones become stronger and reduce inflammation. This can keep your bones healthy for a long time.
5. Improves sleep and stress. Walnuts contain melatonin, which helps you sleep well. Omega-3 fatty acids also control your blood pressure and relieve stress.
6. Required during pregnancy. Expectant mothers can get many benefits from eating walnuts every day. They contain a complex of B vitamins, such as folate, riboflavin and thiamine. They are necessary for women during pregnancy for the health of the fetus.
7. Relieves constipation and the digestive system. The nut is rich in fiber, which is good for maintaining health and the digestive system. We need fiber every day for proper bowel movements. Protein sources, such as meat, eggs and dairy products, do not contain fiber, so it is important to include them through nuts.
8. Boosts immunity. Walnuts are known to boost immunity because they contain a large amount of antioxidants, which will protect you from many diseases. Add some walnuts to your daily diet to stay in shape.
9. Treats inflammatory diseases. Inflammatory diseases such as asthma, arthritis and eczema can be cured by consuming walnuts.
10. Heals the thyroid gland. Nuts contain a large amount of iodine – the most important component for the normal functioning of the thyroid gland. The positive properties of walnuts were known in ancient times. Treating the thyroid gland with them is very effective and simple. Traditional medicine as an additional help to the body is always welcome.
What are the benefits of walnuts for skin and hair
11. Slows down skin aging. Walnuts are full of B vitamins, which are best for the skin. Vitamin B controls and reduces stress levels. High stress levels increase wrinkles and accelerate aging. B vitamins together with vitamin E (a natural antioxidant) can fight free radicals, which are the cause of stress. The aging process slows down.
12. Moisturizing the skin. Ladies who suffer from dry skin can apply warm walnut oil every day. Walnut oil is good for moisturizing the skin. In addition, it deeply nourishes, promotes the growth of healthy skin cells.
13. Remove dark circles. Apply warm walnut oil regularly to lighten dark circles under the eyes. It also acts as a soothing agent. Walnut oil can soothe puffy eyes, which helps restore the glow of the skin.
14. Glowing skin. Make this face mask at home for glowing skin. Combine 4 walnuts, two tablespoons of oats, 1 teaspoon of honey, 1 tablespoon of cream and four drops of olive oil. Mix everything in a blender to get a good mixture. Apply evenly on your face and neck, allowing it to dry well. Then wash your face with warm water.
This mask will keep your face moisturized and also slow down the signs of aging.
Pollution, unhealthy lifestyle and poor eating habits can also damage your hair. You can restore the health of your hair by adding walnuts. They can be consumed or even used as an oil to maintain healthy hair.
15. Longer hair. Walnuts are the best source of omega-6, potassium, omega-3 and omega-9 fatty acids. These ingredients help strengthen hair follicles. Apply walnut oil regularly to get healthier, longer and shinier hair.
16. Prevents baldness. Walnut oil can delay baldness. Use this oil regularly to prevent baldness.
17. Anti-dandruff. Walnut oil is widely used in hair oils due to its rich moisturizing properties. It acts as an anti-dandruff remedy that is 100% natural.
18. Enhances the brightness of hair color. Walnut shell is widely known as a natural remedy that can naturally enhance hair color. Walnut oil contains a large amount of protein that enhances hair color and gives it a healthy shine.
19. Improves the appearance of hair. It is recommended to use walnut oil 3 times a week to get effective results. For best and most effective results, use it in combination with coconut oil or olive oil.
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