Space travel is not just fun, it turns out traveling in space increases the brain. Be careful what you wish for, is the old adage, and it also applies here. A flight to Mars is a scenario that all of humanity has dreamed of for centuries, but the consequences may not be very pleasant. First, astronomers must make sure that space travel is completely safe for people, even in their spacesuits. However, new research shows that exploring our universe can cause some unexpected changes for humans - an increase in brain size.
Space travel increases the size of the human brain