Final answer:
Euphoria is the exaggerated feeling of well-being induced by drugs such as MDMA, amphetamines, alcohol, and opioids. Continuous use can lead to addiction, dependence, and the necessity for increased doses to achieve the same effect, known as tolerance.
Step-by-step explanation:
The term for the exaggerated feeling of well-being induced by some drugs is euphoria. Drugs that are known to create a state of euphoria are referred to as euphoriants. Examples of these include MDMA (ecstasy), amphetamines, ethanol (alcohol), and opioids like morphine. This euphoric high is characterized by feelings of intense elation and pleasure from drug use.
However, the persistent use of psychoactive drugs can lead to addiction and dependence, where the individual may require greater amounts of the drug to achieve the same effect, a condition known as tolerance. Additionally, psychological dependence may develop, with drug craving being a significant symptom when the drug use is discontinued.