Background Walnut oil is an edible oil extracted from walnut kernels. In recent years, some people have used walnut oil as a food additive for babies, claiming that it can improve the intellectual development of babies. Is this statement true? We will analyze the impact of walnut oil from many aspects. Ingredient analysis: Walnut oil is rich in unsaturated fatty acids, which are beneficial to the human body and can help maintain cardiovascular and cerebrovascular health. In addition, walnut oil also contains a substance called linolenic acid, which is said to enhance memory. However, some research shows that walnut oil