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 dependence can develop from low-dose therapeutic use of certain medications such as benzodiazepines, opioids, antiepileptics and antidepressants, as well as the recreational misuse of drugs such as alcohol, opioids, and benzodiazepines.