1 If your flask has not been used for some time, rinse with warm water to remove any residual odours. 2  DO NOT overfill your flask. Leave sufficient space in the neck to fit the stopper.  After filling, always ensure that both the outside cup and stopper are tightly closed.
The 8.4% prevalence of alcohol abuse/dependence estimated by the present study (13.1% for men and 4.1% for women) is above the average value of 6% that Galduroz et al8 (2003) found in a survey performed in 1999.
In Brazil, epidemiological studies have identified point prevalence for alcohol disorders in the general population of 3% to 12%.2,3,15,19,* This wide range is probably due to the use of different instruments and methods, and also may reflect geographical variations.