Molecular hydrogen research involves studying the effects and potential benefits of hydrogen gas at the molecular level. This includes investigating its antioxidant properties, anti-inflammatory effects, and potential for improving various health conditions. Researchers are interested in the therapeutic potential of molecular hydrogen in areas such as cancer prevention, cardiovascular health, and neurodegenerative diseases. Studies often involve administering hydrogen gas through inhalation, oral ingestion, or topical application to evaluate its physiological effects and mechanisms of action in the body.