Assertion: magnesium's effect | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
Source sentences:
text: The side effects of magnesium are very rare, but it is important to cover them.
text: However, this supplement has its drawbacks and may cause severe adverse reactions, such as chest pain and shortness of breath associated with esophageal stricture — even though these effects are rare and unlikely to occur.