Walnut is not only the best brain food, but also a therapeutic agent for neurasthenia. The elderly have dizziness, insomnia, palpitation, forgetfulness, loss of appetite, weakness of waist and knees, general weakness, etc. Eating 1 ~ 2 walnuts every morning and evening can play a nourishing and therapeutic role. Walnut kernel also has a high medical effect on other diseases, such as invigorating qi and nourishing blood, moistening dryness and resolving phlegm, warming lungs and moistening intestines, reducing swelling and disinfecting. Recommend an authentic Xinjiang Wojiang thin-skinned walnut. It doesn't need walnut pliers, it will break when pinched. It is worth a try.