Examlex
As the air cools at night the relative humidity usually drops.
Heroin
An opioid drug derived from morphine, highly addictive and used illicitly for its euphoric effects.
Cocaine
A powerful stimulant drug derived from the leaves of the coca plant, which can cause euphoria and addiction.
LSD
Lysergic acid diethylamide, a powerful hallucinogenic drug known for its psychological effects such as altered thoughts and perceptions.
Longitudinal Study
Research that follows the same subjects over a period of time, allowing for the examination of changes and developments.
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