The 19th biennial meeting for the Society for Free Radical Research International (SFRRI) was held at the Lisbon Conference Centre. This meeting was a prominent forum for the latest advances in the fundamentals of Redox Biology and Free Radical Research and its Clinical and Biotech/Pharmaceutical applications. Also, recent (bio)technological developments and analytical strategies to tackle the role of redox Biology in health and disease, aiming at preventing, cure and delaying disease were discussed. The scientific program included daily parallel thematic sessions and plenary lectures, as well as poster presentations, scientific societies meetings and commercial exhibitions and workshops, organized to stimulate networking and discussions during four days.