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Rivers have played a relatively minor role in the geography of human history.
Neurotransmitters
Chemical messengers in the brain and nervous system that transmit signals between neurons, playing key roles in regulating mood, cognition, and behavior.
Hippocampal Volume
The size or capacity of the hippocampus, an area of the brain associated with memory and spatial navigation, which can be indicative of neurological health.
Suicide
The deliberate action of taking one's own life.
Taking Seriously
The act of giving earnest attention or consideration to someone or something, recognizing its importance or validity.
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