Effect of Hydrogen Gas on Hyperbaric Oxygen Toxicity

Exclusion Criteria

• •Ongoing infection or illness that may impact pulmonary function
• •Use of alcohol or smoking cigarettes within 48 hours
• •Diving with any breathing gas within 48 hours
• •Diving with oxygen-enriched gas (100% O₂) within 2 weeks
• •Use of medications that could affect oxidative stress, lung function, or neurological status
• •Medical history of serious diving-related injuries or long-term complications