Where To Stream 20/20 Season 2010 Episode 33

Washington Redskins Cheerleader Ambassador Desiree Jennings, 25, had everything going for her until one day her body suddenly stopped working, turning into a twisted, jerky mess. For some inexplicable reason, when she runs, Desiree's body untwists and straightens out, and sometimes she can walk backwards and sideways without trouble. Footage of this unusual phenomenon spread quickly online, making her an internet sensation. Was it caused by a flu shot, as Desiree thought? Her journey for...