Bloomberg View: America’s most overlooked substance abuse problem

As alarms over the opioid crisis sound ever louder, a larger and more expensive substance problem in the U.S. is quietly growing much worse. One in eight Americans abuses alcohol, a new study finds, a 50 percent increase since the start of the century.Alcohol abuse is as old as civilization itself, of course, but quantifying its costs is a more recent endeavor. Alcohol is responsible for one in 10 deaths among working-age Americans — from accidents as well as illnesses. There are almost 90