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.
Physical withdrawal can be as mild as simply getting a hangover or even the shakes when one has abstained from drinking alcohol for a short period-of-time. Other milder physical alcohol withdrawal symptoms can include the sweats, nausea, headache, anxiety, a rapid heart beat, and increased blood pressure. Although these symptoms are uncomfortable and enough to send a chemically dependent person back into a binge, they are not, of themselves life threatening.