In today's Buzz: The top 100 April Fools' pranks of all time, mouth-to-mouth is out, Kathie Lee is back, 84-year-old Senator runs for another 6-year term, foods that heal, the world's worst intersections, maybe the worst promotional video ever, and more.

In May of 2008, after suffering a seizure, doctors diagnosed Senator Ted Kennedy with a malignant brain tumor.