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;
What is the difference between psychological and physical dependence? This is a very complicated (although simple) question. Physical dependence on a drug (recreational or not) means the body gets used to the drug, it needs more and more of it to accomplish the same effect. Eventually, the drug is merely used to counteract the withdrawal symptoms that appear when no drugs are being taken.
10: Addiction vs dependence. As you have just explained, different parts of the brain are responsible for the addiction and dependence to heroin and opiates. Review the areas in the brain underlying the addiction to morphine (reward pathway) and those underlying the dependence to morphine (thalamus and brainstem).