Holistic Medical Care Keith and Liz Ferris, certified medical practitioners of oriental medicine have been in practice in North Bristol, England since nineteen eighty-two. Specializing in acupuncture, nutritional medicine, food intolerance testing, shiatsu, bowen technique and nst, liz and Keith Ferris cure a variety of medical problems from digestive conditions, to anxiety, back and joint pain, depression, insomnia, menstrual and fertility problems, chronic fatigue and even more. How To Cure Your Constant Allergies Allergies are immune malfunctions that exist when an individual’s body is oversensitive to particular substances. These specific substances that result in allergies are allergens. Allergies cause the body to produce profuse amounts of immunoglobulin E. This overproduction could cause inflammation, runny noses, itchy eyes or could even cause death, depending on how bad a person's allergies might be.