Prof. Spira is an author, jazz trombonist, ethnomusicologist, university lecturer, founder of Mucus-free Life LLC, and the most sought-after expert on Prof. Arnold Ehret's Mucusless Diet Healing System in the world. He has helped hundreds of thousands of people to learn the healing benefits of the Mucus-free Lifestyle. After discovering the diet in 2002, within a year he'd lost over 100 pounds and overcame numerous health issues, including chronic migraines, fatigue, joint pain, allergies, and chronic constipation, among others. Prof. Spira publishes 8 books related to the mucus-free lifestyle, including his best-selling Annotated, Revised, and Edited edition of the Mucusless Diet Healing System. He is the webmaster of www.mucusfreelife.com and the #1 producer of educational resources for mucus-free living.