Some people are not aware that they have food allergy. It can be difficult to diagnose especially if allergic reactions are not apparent before. Symptoms of food allergy only appear if you exceed the tolerable amount of foods you are allergic to.
In the movie Star Trek, space is considered to be the final frontier. Since ordinary civilians are not yet able to complete the voyage to seek new worlds, the best thing anyone can do is reach out to people in different states and countries by communicating in cyberspace.