50 years ago, oxygen was touted as a potential memory loss treatment
Excerpt from the March 18, 1972 issue of Science News
![a photo of a person in a hyperbaric chamber](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/020122_eg_50ya-memory_feat.jpg?fit=1030%2C580&ssl=1)
In 1972, research hinted that hyperbaric oxygen treatment (shown) might boost memory. Fifty years later, scientists still don’t have a definitive answer.
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