s research focuses on pain; neurodegenerative and endocrinological disease; anticancer drugs on tumor treatment; stem cells biology and transplantation; nutrition on bone development as well as Chinese herbs for osteoarthritis and arthritis treatment. Dr. Liu has published on various topics he has researched over the years such as acupuncture analgesia, cancer, brain sciences, neuroendocrine, stem cell, and pathology. Dr. Liu has over 28 years of experience and has an excellent reputation for his treatment of his patients.