Assertion: osteoporosis | /r/Causes | symptom
Facets:
value: rarely
type: DEGREE
value: in its early stages
type: TEMPORAL
value: most often
type: DEGREE
Source sentences:
text: Osteoporosis most often causes no symptoms.
text: Osteoporosis may cause no symptoms in its early stages, and as a result, the disease can go unnoticed for decades.
text: Osteoporosis is regarded as a "silent disease," because it rarely causes symptoms as the disease is progressing.