The most common cause of dementia in the elderly is Alzheimer’s disease (AD). Hyperbaric oxygen therapy has been reported to have numerous physiological benefits for the brain, particularly for aging or degenerative brain disorders. This review article published in the journal of Alzheimer’s disease (JAD) reviewed 391 full text articles between 1980-2021. The data from these studies showed both neurocognitive benefits along with positive clinical outcome for AD. These results led the authors of this review article to advocate for the use of hyperbaric oxygen therapy for AD. They also encourage future studies to be performed for protocol development, with the goal of long-term cognitive health <view study>