1. untreated headache or migraine; 2. untreated dizziness; 3. persistent tinnitus or hearing loss not caused by the ear; 4. unexplained arrhythmia, angina-like symptoms; 5. untreated hypotension; 6. “inexplicable” hypertension; 7. untreated internal dysfunction, such as respiratory system, digestive system, endocrine system dysfunction, etc.; 8. seborrheic dermatitis and alopecia of the head with more oil and more fine hair; 9. always tilting the head to one side; 10. unexplained recurrent “pillow fall”.