Assertion: selenium | /r/CapableOf | help ward off infection
Facets:
Source sentences:
text: Many studies have shown that selenium is essential to the immune system and helps ward off infection, according to the University of Maryland Medical Center.
text: It also helps fight cancer and other diseases.
text: It contributes to thyroid hormone metabolism and DNA synthesis, and it helps protect against oxidative damage and infection, according to the United States Office of Dietary Supplements.
text: Seleniums help combat infectious diseases and viral infections