U.S. researchers have found that spaceflight could affect the human brain in unusual ways, Medical Dialogues reports.
The examination of patients with “spaceflight associated neuro-ocular syndrome” has revealed a number of structural changes, including swelling of the optic nerve and retinal hemorrhage.
The new study revealed long-lasting changes in the brain’s white matter volume and the shape of the pituitary gland. The findings of the study have been published in the journal Radiology.
This is probably why more than half of astronauts reported changes in their vision after expeditions to the International Space Station.