Dr. John Zwetchkenbaum is an allergist in RI for over 20 years. He has repeatedly been voted the "top doc allergist" in RI by RI Monthly. John is board certified in Allergy and Clinical Immunology and treats both children and adults. He is also a certified principal investigator and has participated in many clinical trials for both asthma, allergies, atopic and other conditions such as COPD. John has published research on food allergies. Several years ago he had a radio show on allergies. John wrote Allergy Free with Dr. Z because he feels most of what is out there is too "textbook". He feels patients understand "stories" they can relate to. John especially understands this because he went into this field due to his own severe asthma and has always wanted to help people breathe.