NBC News gathered data to look at what has changed since March, when the virus closed nearly every school in the country. That data shows emergency rooms have seen a 24% increase in mental health-related visits from children ages 5 to 11 compared to last year. The increase among older kids is even higher, at 31%. "Though I'm not a very extroverted person I can admit that I hate the feeling of being locked up indoors all the time," Holden said. "It does feel awful being stuck inside 24/7, not being able to go out to see friends." For some teenagers, distance learning has been the main challenge during the pandemic.