Category  Disease  Number of studies
Neurology  Stroke  12 studies
Alzheimer's disease  2 studies
Bell's palsy  2 studies
Mild cognitive impairment  2 studies
Parkinson's disease  2 studies
Vascular aphasia  1 study
Carpal tunnel syndrome  5 studies
Migraine  2 studies
Pain  Chronic low back pain  1 study
Fibromyalgia  1 study
Chronic knee osteoarthritis pain  1 study
Musculoskeletal disease  1 study
Psychonosology  Depression  2 studies
Heavy smoker  1 study
Heroin addicts  1 study
Gastroenterology  Functional diarrhea  1 study
Irritable bowel syndrome—diarrhea  2 studies
Functional dyspepsia  1 study
Pediatrics  Childhood autism  1 study
Children with visual disorder  1 study
Children with a severe type of cerebral palsy  1 study
Rheumatology  Rheumatoid arthritis  1 study
Dermatology  Atopic dermatitis  1 study
Myopia  Myopia  1 study