However, the most susceptible variable in blood testing for alcohol levels is determined by the actual methodology of the blood drawing. First and perhaps most obvious, the sample is at risk of alteration by an alcohol swab before the needle is inserted.
Alcohol advertising is the promotion of alcoholic beverages by alcohol producers through a variety of media. Along with tobacco advertising, alcohol advertising is one of the most highly regulated forms of marketing. Some or all forms of alcohol advertising is banned in some countries. There are important studies about alcohol advertising published, such as J.P. Nelson's in 2000.
Companies use advertisements as part of a marketing program to increase sales of their products and services. Advertising plays a different role at different stages of the marketing process -- helping to raise awareness of a product or service, generating leads for a sales force or selling directly. Companies with retail outlets use advertising to make consumers aware of product availability and increase sales through the outlets.