Dementia
Alzhemier’s
Chronic Pain
Back Pain
Neck Pain
Knee Pain
Shoulder Pain
Joint Pain
Sports Injury
Cramps
Numbness
Tingling
Migraines
Headaches
Digestive Issues
GERD
Constipation
Diarrhea
Eczema
Allergy
Food Sensitivity
Anemia
Amenorrhea
Dysmenorrhea
Autoimmune diseases
Thyroid problem
Rheumatoid Arthritis
Fatigue
Brain Fog
Anxiety
Depression
Cancer care
Post surgery care
Rehab
Ehlers Danlos
Dr. Chang is the leading doctor who devotes her practice to integrate engineering science, allopathic medicine, alternative medicine and traditional medicine.