Long Space Flights Can Increase the Volume of the Brain of Astronauts

Astronauts’ brains increase in volume after long space flights, causing pressure to build up inside their heads. This may explain why some astronauts experience worsened vision after prolonged periods in space. “This raises additional concerns for long-duration interplanetary travel, such as the future mission to Mars,” says Larry Kramer at the University of Texas Health Science Center at Houston, who led… Read More