Examlex
The F distribution/ratio:
Headaches
A common medical condition characterized by pain in the head, scalp, or neck, with various possible causes.
Addictive Drugs
Substances that lead to psychological or physical dependency due to their effects on the brain.
Morphine
A potent opiate analgesic drug used to relieve severe pain, derived from the opium poppy.
Psychological Dependence
Psychological dependence involves a perceived need to use a substance or engage in a behavior to achieve a sense of emotional or psychological well-being.
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