Assertion: vitamin b12's deficiency | /r/Causes | numbness
Facets:
Source sentences:
text: As Vitamin B12 is associated with nerve development, deficiency of it causes numbness and tingling in hands and feet, balancing problem, depression, confusion, dementia, poor memory and soreness of the mouth and tongue.
text: A deficiency can cause anemia, weakness, numbness and a loss of balance.