Assertion: carotene's effect | /r/HasProperty | uncommon
Facets:
value: in the u.s.
type: LOCATION
Source sentences:
text: Effects of deficiencies Deficiencies are uncommon in the U.S., but when they occur, they usually involve several B vitamins, since many of them come from the same food groups.
text: Severe adverse effects to some vitamin preparations are uncommon but occur when very large doses have been consumed.