Assertion: nitric oxide | /r/CapableOf | protect the heart
Facets:
Source sentences:
text: Nitric oxide protects the heart, stimulates the brain, kills bacteria, etc.
text: Fetterman said the endothelial cells in e-cigarette users produce less nitric oxide, which protects the heart, and more reactive oxygen species, which damage cells, compared to the endothelial cells of those who don't smoke.