Singer Britney Spears.(Photo by Jeffrey Mayer/WireImage) Britney Spears has helped to make a young teen’s dreams come true by sending a message of encouragement after learning her hit song “Toxic” helped the child recover from a stroke. Maegan Johnson, from Arizona, recently took to Facebook.com to share her story after surviving a brain aneurysm and a stroke when she was 7. She revealed she fell into a deep depression as she struggled to regain her speech and movement, but when she heard the pop superstar’s 2003 chart smash, her spirits were suddenly lifted and she was inspired to start dancing as part of her therapy. Johnson, now 13, went public
