What is the role and effect of raspberries?

Raspberry is a plant homologous to medicine and food. It tastes sweet, sour and warm in nature. It has the effects of nourishing liver and improving eyesight, tonifying kidney and consolidating essence. It can be used to treat male sexual function diseases such as impotence and premature ejaculation, frequent urination and spermatorrhea. It can also regulate dark eyes and dim flowers. It has the effect of nourishing heart and calming nerves for middle-aged and elderly patients.