Assertion: skeletal system's bone | /r/CapableOf | become fragile
Facets:
value: due to various other factors
type: CAUSE
value: due to age
type: CAUSE
Source sentences:
text: Calcium from cancellous bones is lost, and therefore, bones become thin, weak, and fragile.
text: However, due to age and various other factors, the bones become weak and fragile and may get affected by some common disorders.