Being the first person to do something—whether it’s in your family, your school, your community, or the world—is never easy. You might feel like you have no path to follow. You might even have people telling you the thing you want to do can’t be done. But breaking barriers and challenging perceptions is totally worth it: Just ask the four teens on the following pages. These amazing trailblazers ignored naysayers, overcame their fears, and found the courage to forge new paths. Their “firsts” range from undergoing an experimental medical procedure to challenging stereotypes about what a dancer looks like, but they all have one thing in common: They believed in themselves and their power to make the world a better place. Read on to learn how they did it— and be inspired to break some barriers yourself.