Cody Miller was fifteen years old when he unexpectedly ended his own life on August 4th of 2007, just two weeks after starting on the popular allergy drug, Singulair, for his allergies. MSNBC reported today that Merck, the company that sells Singulair, has changed the drug's labeling four times in the past year to include information on a range of side effects such as tremors, anxiousness,...