Assertion: marijuana | /r/HasSubevent | harder drug use
Facets:
value: almost always
type: TEMPORAL
Source sentences:
text: They say marijuana is addictive, leads to harder drug use, interferes with fertility, impairs driving ability, and injures the lungs, immune system, and brain.
text: One common myth is that marijuana is a gateway drug that almost always leads to the use of "harder" drugs.