Examlex
It is possible for a test to have high reliability and low validity.
Physical Dependence
A physiological state of adaptation to a specific substance, leading to withdrawal symptoms when that substance is reduced or stopped.
Hallucinations
Perceptions in the absence of external stimuli, such as seeing or hearing things that aren't there.
Stimulant
A substance that increases activity in the body or brain, often leading to enhanced alertness, energy, or physical performance.
Heroin
An opioid drug derived from morphine, highly addictive, and used illicitly for its euphoric effects.
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