How does Dr. Rank's illness tie in with Nora's situation in the play A Doll's House?

The disease
from which Dr. Rank suffers from is tuberculosis of the spine. Within the play's setting, this
disease is seen as a result of some form of over-indulgence. In the play,discusses the potential
indulgences that may have brought about Dr. Rank's development of his illness, which he
inherited as a result of the "sins" of his father.

This may be
significant because here we have a decent and kind man suffering and dying from his backbone. A
good man dying by the backbone may signify the end of the image of men, as Nora knows it. As a
woman of her time, Nora believes that men take a superior and dominant role because...