By Chris Woodward, OneNewsNow - Sandy Dettman, MD of Grand Rapids, Michigan, says trouble began when doctors made pain the fifth vital sign… (she) says, the U.S. represents 4.4 percent of the 7.1 billion people in the world, yet the U.S. consumes nearly 90 percent of the world's opiate supply… "The number-one drug prescribed in the United States of America is hydrocodone…We are in the midst of the largest manmade epidemic in the history of the United States."…