Obstacles that Shape Us is a series of inspiring stories shared by Canadians who have overcome adversity. Here's how abuse survivor Roland Vandal is back in the boxing ring helping others fight their way to a better future.

It turns out aerobic exercise can change the way a person responds to emotionally difficult events.

"Being sick can be lonely. People don't know what to say," says one cancer survivor, who designed the kind of cards she would've wanted to receive.