Human StudyLiterature ReviewAnimal StudyIn VitroHighlightedThe 2011 Medical Molecular Hydrogen Symposium: An inaugural symposium of the journal Medical Gas ResearchMHID-1756030PMID: 221460822011Medical Gas ResearchShigeo Ohta, Atsunori Nakao, Kinji OhnoThis report summarizes a brief description/history of the Hydrogen Research Meetings as well as key presentations/oral abstracts delivered in the most recent symposium. Additionally, we introduced 38 diseases and physiological states for which hydrogen exhibits beneficial effects.