Welcome On behalf of the Organising Committee I am delighted to invite you to HAVANA-REDOX 2009 hosted by the Pharmacy & Food Sciences College of Havana's University and the Cuban Society of Pharmacology. All researchers in the field of free radical / antioxidants in medicine and biology are cordially invited to participate in HAVANA-REDOX 2009. This international meeting will be held in Ciudad de La Habana from 29 -31 January 2009. We expect you to join this unique opportunity to combine the exciting field oxidative stress with the treasures of Cuba, its people and its beaches. We look forward to seeing you in Havana in January 2009!!!. Scientific topics Oxidative Stress and Diseases Oxidative Stress and Aging Biomarkers and Diagnostic Methods Antioxidants Redox Signaling Mechanisms Pharmacological or Dietetic Interventions Oxidative damage, formation, repair and biological consequences