Most small business owners are intuitively aware of what constitutes tax deductible marketing expenses, which include (but are not necessarily limited to) the costs of the following: Any sort of traditional advertising, such as newspaper ads, radio spots, brochures, and the like;
Mental/psychological dependence means somebody can't feel comfortable/relaxed anymore without the drug. This mechanism has nothing to do with the body, but with feelings of fear, pain, shame, guilt, loneliness and so on. The drug is used to forget problems which should be solved.
After prolonged exposure to alcohol, the brain becomes dependent on it. Drinking steadily and consistently over time can produce dependence and cause withdrawal symptoms during periods of abstinence. This physical dependence, however, is not the sole cause of alcoholism.