Wendy Cohan, RN, counsels patients with celiac disease, gluten intolerance, bladder-related health conditions and headaches. She maintains two websites on these topics and is the author of "Gluten-Free Portland-A Resource Guide" (and "The Better Bladder Book". She periodically posts author updates for "The Better Bladder Book" on her website. Her background on headache comes from a combination of education and lifestyle experience, her personal health journey, and her life-long interest in health and nutrition.