Assertion: vitamin b12's diet | /r/CapableOf | produce less red blood cells
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Source sentences:
text: Signs of deficiency can include: megaloblastic anemia (a condition arising from a lack of folate in the diet or poor absorption that produces less red blood cells, and larger in size than normal); weakness, fatigue; irregular heartbeat; shortness of breath; difficulty concentrating; hair loss; pale skin; mouth sores.