Assertion: lung cancer's risk | /r/RelatedTo | air pollution
Facets:
Source sentences:
text: However, it's believed the risk of lung cancer associated with air pollution is lower in the US than in many other countries because of policies that have helped to lower the levels of exposure.
text: However, it's believed the risk of lung cancer associated with air pollution is lower in the US than in many other countries because of policies that have helped to lower the levels of exposure.