Will the Human race be wiped out this Life time?

Well... I'm really scared :( This does not relate back to that fake mayan Hoax, Like... Is it possible that a Nuclear war will break out and Destroy us, or a Meteor, Comet? Asteroid.. look, i'm only 15, I'm a gullible person. I mean i am so gullible is unbelievable, well... Do you think the world will End around these times? Or not... This lifetime? Or not... i'm scared guys...