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study, published in the
journal Cancer, found that inhaling pure oxygen can repair brain damage years after a concussion.
concussions are common in contact sports and soldiers. Most people recover from short periods of confusion or amnesia, but 5 percent experience long-term symptoms such as headaches, mood changes, sleep disorders and cognitive problems. This is known as post-concussion syndrome.
, for example, former NFL player Ryan Miller this year opened up about his struggles with migraines, depression, memory loss and epilepsy. These conditions persisted for two years after he retired from the league.
these neurological symptoms occur because a blow to the head damages tiny blood vessels in the brain. This makes oxygen more difficult to reach and thus unable to feed brain cells.
Efrati and colleagues from Tel Aviv University in Israel have been studying whether hyperbaric oxygen therapy can help with the disease. The treatment involves sitting in a high-pressure chamber and breathing 100% oxygen to increase the amount of oxygen dissolved in the blood and flowing into the brain.
study published in 2013, scientists found that 40 hyperbaric oxygen sessions, which lasted an hour at a time, significantly improved cognitive function and quality of life in 56 patients with post-concussion syndrome. They show these symptoms after a car accident, fall, attack, or other nonmilitary injury, and these accidents first occurred six years ago.
now, researchers have used MRI to analyze how high-pressure oxygen produces this therapeutic effect. The study found that in 15 patients who suffered head injuries between 6 and 27 months ago, the treatment stimulated the regeneration of blood vessels and nerve fibers. "Once extra oxygen seeps into the damaged area, it provides energy and the regeneration process takes place." Efrati said.
, however, the use of hyperbaric oxygen to treat post-concussion syndromes is controversial because a large-scale military trial published in 2015 said the method had not worked. (Source: Science Network Xu Xu)
