Problems With Long-Term Space Travel

Space travel can cause people to feel lonely or home sick especially when it is a long trip.

Here are some websites that talk more in depth about the affects of long term space flights:

https://en.wikipedia.org/wiki/Psychological_and_sociological_effects_of_spaceflight#Psychosocial_and_psychiatric_issues_during_an_expedition_to_Mars

https://web.mit.edu/16.459/www/Palinkas.pdf