Astronauts’ brains suffer damage due to long space missions, reveals study

According to a recent scientific study conducted at the University of Florida, long-duration space missions have been found to cause detrimental effects on astronauts' brains. The research involved analyzing brain scans of 30 astronauts both before and after their journeys beyond Earth's atmosphere. As a result, scientists now advise individuals who frequently embark on such missions to allow a three-year interval for their brains to undergo a reset process.

According to the study, astronauts who engaged in missions lasting six months or more experienced substantial expansion of the brain's ventricles. Furthermore, the research suggests that a period of less than three years after such missions may not allow sufficient time for the ventricles to fully recover.

Ventricles, which are cavities within the brain, contain cerebrospinal fluid. This fluid serves crucial functions such as protecting, nourishing, and removing waste from this intricate organ.


In the absence of gravity, the body's mechanisms for fluid distribution are altered. As a result, fluids shift upwards and push the brain higher within the skull, leading to the expansion of the ventricles.

Rachael Seidler, a professor of applied physiology and kinesiology at the University of Florida and one of the study's authors, noted that their research revealed a correlation between increased time spent in space and the enlargement of ventricles in the brain.

Furthermore, the study demonstrated that it takes approximately three years for the ventricles to fully recover between spaceflights, considering that many astronauts embark on multiple missions. Professor Seidler, a member of the Norman Fixel Institute for Neurological Diseases at UF Health, added that based on existing studies, ventricular expansion appears to be the most enduring change observed in the brain as a result of space travel.

FAQs:

Q1:Who are astronauts?
Individual trained, equipped and employed by a spaceflight program created by humans to explore outer space.

Q2:Who was the first man to walk on the moon?
Neil Armstrong