Assertion: osteoporosis's bone | /r/HasProperty | built
Facets:
value: during childhood
type: TEMPORAL
value: during adolescence
type: TEMPORAL
value: early in life
type: TEMPORAL
Source sentences:
text: Early in life, new bone is built faster than old bone is torn down.
text: During childhood and adolescence, more bone is built than removed, so bones become larger and stronger.