Walnuts are among the richest sources of omega-3 and omega-6 fatty acids, which help reduce cholesterol and combat aging of brain cells. They aid in improving memory and cognitive function, as well as fighting depression.

They care for the proper functioning of the heart, regulate blood pressure, prevent certain types of cancer, boost the immune system, and provide strong anti-inflammatory action, combating symptoms of asthma or arthritis. They are rich in vitamins, minerals, and antioxidants and have anticancer properties.

Walnuts significantly lower cholesterol and increase the elasticity of the arteries. They have a beneficial effect on vascular health. They are considered "brain food" due to their positive impact on the human brain.