In Turkey, hazelnut production is concentrated in the Black Sea region. Hazelnuts have a protective effect against the clogging of arteries. Experts suggest that consuming a handful of hazelnuts daily can promote healthy blood vessels. Hazelnuts also play an important role in eliminating harmful cells from the body. As one of the most consumed foods, hazelnuts provide numerous benefits to the body due to their rich nutritional content. When consumed in a healthy manner, they help ensure proper functioning of the body's systems.