Assertion: depression's brain | /r/Synonym | serotonin
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Source sentences:
text: Research suggests that changes in levels of certain chemicals in the brain called neurotransmitters, such as serotonin or norepinephrine, may be partly responsible for the occurrence of depression.
text: Depression occurs when a neurotransmitter in the brain known as serotonin is imbalanced in the brain, hence affecting mood and personality.