Assertion: osteoporosis | /r/HasProperty | characterized by low
Facets:
Source sentences:
text: Osteoporosis, or porous bone, is a disease characterized by low bone mass and structural deterioration of bone tissue, leading to bone fragility and an increased risk of fractures of the hip, spine, and wrist.
text: Osteoporosis, which means "porous bone," is a disease characterized by low bone mass (bone thinning) that leads to fragile bones and an increased risk of fractures of the hip, spine, and wrist.