Traveler and traveller are both English terms. Traveler is predominantly used in ???? American (US) English ( en-US ) while traveller is predominantly used in ???? British English (used in UK/AU/NZ) ( en-GB ).
Travelling improves your mental health by helping you feel calm. Taking time from work to see new places releases the stress you've been holding on to, so much so that the feeling can only be described as feeling alive. Studies have shown that we value our experiences more than any material possessions we may own.
Dromomania was a historical psychiatric diagnosis whose primary symptom was uncontrollable urge to walk or wander. Dromomania has also been referred to as traveling fugue. Non-clinically, the term has come to be used to describe a desire for frequent traveling or wanderlust.