Gallup, which started tracking Americans' alcohol habits more than 80 years ago, says the drop in drinking rates coincides with Americans' growing concerns that even moderate drinking is unhealthy.

The Gallup poll on American alcohol consumption comes during a time when many medical experts are advising stricter drinking guidelines.

Only 54% of U.S. adults now say they drink alcohol — the lowest level Gallup has ever recorded in its nearly 90-year history. For the first time ev