September 16, 2009 2:00 pm The Gluten Free Diet: Trend or Foe? You see that phrase all over the grocery store these days – and even Hollywood celebrities are touting gluten-free diets. But behind the gluten-free trend there are also some disturbing new numbers. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'