Board Certified in Biofeedback since 1985, Board Certified in Neurofeedback since 1991, and licensed as a Marriage and Family Therapist since 1991, Mr. Kassel, works with stress related medical illness (i.e. muscle pain, headaches, anxiety, irritable bowel syndrome, hypertension), problems of brain wave disregulation (i.e. Attention Deficit Disorder, Depression, OCD, Anxiety, Seizure disorders,...