Formula 1 driver Valtteri Bottas believes the support in motorsports for mental health struggles has greatly improved during his career, and that gave him the courage to extensively detail his own personal battles. “The sport has changed a lot, the world has changed a lot,” Bottas said Thursday, a day after he discussed his own struggles in an essay for “ The Players' Tribune." “There's better ways for people to communicate and share their issues, or anything from the past. It's definitely a more welcoming environment for everyone in F1, but I think also the whole world.” Bottas said he was approached by the outlet late last year and began the process of writing the essay titled “Born Crazy” that was released ahead of the rookie Cadillac team making its North American debut this weekend at the Miami Grand Prix . Bottas, who is from Finland, and Sergio Perez of Mexico are the drivers for the team that considers itself the only true American team in the global series.…