Question

disease caused by deficiency of vitamin b​

Answer 1

Explanation:

Pernicious anemia, which makes it hard for your body to absorb vitamin B12. Conditions that affect your small intestine, such as Crohn's disease, celiac disease, bacterial growth, or a parasite. Immune system disorders, such as Graves' disease or lupus

Answer 2

Answer:

beri beri by the deficiency of b1

pellagra by the deficiency of b3 pernicious anaemia by the deficiency of b12

megaloblastic anaemia by the deficiency of b9

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