Laura Isensee

They are early risers and hard workers. They have a "talent for struggling through" and the determination that follows. Some are the first in their family to go to college — or even graduate from high school — and many are financially independent from their parents. They're often struggling to pay for rent, groceries and transportation while taking classes. And that means working while in school — in retail, on campus or even with a lawn care business.

It's 5 o'clock in the morning, and Sarah Salazar would rather be sleeping. Not just because it's early. Or because she's a teenager and can't seem to get enough sleep. Doctors say the shotgun pellets embedded in her shoulder, lung and back have sent her lead levels skyrocketing and leave her feeling tired much of the time.