Final answer:
The identified reason why people might take drugs to fulfill life-long dreams is psychological dependence, which is an emotional need for a drug, often to relieve psychological distress or to achieve a certain mental state.
Step-by-step explanation:
The question 'to fulfil life-long dreams is to become addicted is psychological dependence an identified reason why people might take drugs' seeks to understand the motivation behind drug use that leads to addiction. The term psychological dependence refers to an emotional need for a substance typically used by individuals to relieve distress or to attain a desired psychological state.
This form of dependence is distinguished from physical dependence, which is characterized by physical withdrawal symptoms when the drug use is discontinued. Addiction which often starts as drug abuse is the compulsive use of a drug despite knowing the negative consequences and can lead to the necessity for rehabilitation involving psychotherapy, and sometimes, medication.