As a kid I would sometimes get worried about impending doom–Cuban missile crisis, invading fire ants or killer bees, pollution, etc. And my parents, who had been poor during the Great Depression & had been in the Army during WWII (seeing bloodshed in the infantry & as a nurse) would scoff and say they had seen too many doomsday threats come & go to give them much thought.
Read about the history of just about any country at any time. There was always turmoil and fear. You just have to learn to ignore it or accept it.