Assertion: cigarette's nicotine | /r/Causes | addiction
Facets:
Source sentences:
text: Nicotine is the main ingredient in tobacco that causes addiction.
text: However, as discussed above, the nicotine in e-cigarettes can cause addiction and neurocognitive impairments.
text: Nicotine is the chemical that causes addiction but it is the tar that is responsible for the biggest health risks, including many types of cancer.﻿﻿