"There were a few times when I felt I had reached a dead end," writes Patricia Wight. "I worried that my stories would be missing the critical first-person experiences needed to bring the issues surrounding obesity to life."

In the final installment of Patty Wight's series on poverty and obesity, she looks at the power of social stigma and bias around weight, and the lasting effects they can have on a child.

In the fourth part of Patricia Wight's series exploring the link between childhood poverty and obesity, she visits an elementary school in Portland that has developed a creative way to get kids moving. Within minutes of the school doors opening, 16 kids are in the gym, ready for indoor soccer.