Endogenous opioids produced by the central nervous system that act as natural painkillers and mood elevators are called:
ACatecholamines
BHistamines
CAdrenaline
DEndorphins
Explanation
Endorphins bind to opioid receptors in the brain to diminish perception of pain and induce feelings of euphoria.
Exam Relevance
- Topic: Biological Psychology
- Subtopic: Neurotransmitters

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