Assertion: tobacco's nicotine | /r/CapableOf | increase levels of a chemical messenger
Facets:
Source sentences:
text: As with most addictive substances, nicotine activates the brain’s reward circuits and also increases levels of a chemical messenger in the brain called dopamine, which reinforces rewarding behaviors.
text: As with most addictive substances, nicotine activates the brain’s reward circuits and also increases levels of a chemical messenger in the brain called dopamine, which reinforces rewarding behaviors.