Biology

In rheumatoid arthritis, the immune system mistakenly attacks the synovial membranes of joints, leading to chronic inflammation.

Over time, this inflammation can cause bone erosion and osteopenia (a precursor to osteoporosis).

The immune system's attack can directly affect bone tissue and lead to loss of bone mass.

Option A (Bone spurs): Bone spurs are more common in osteoarthritis, where ...