By the numbers: There are now more daily marijuana users in the US than daily alcohol users

New research based on data from the National Survey on Drug Use and Health, published Wednesday in the journal Addiction, compares Americans’ use of cannabis and alcohol over the past 40 years Health ABC News: Health

​New research based on data from the National Survey on Drug Use and Health, published Wednesday in the journal Addiction, compares Americans’ use of cannabis and alcohol over the past 40 years