Write the names of diseases caused by the deficiency of vitamin A,D,B,and C.​

This is distinct from anemia caused by deficiency of folic acid or vitamin B12, which cause anemia. Niacin (Vitamine B3) deficiency causes pellagra, a reversible nutritional wasting disease characterized by four classic symptoms often referred to as the four Ds: diarrhea, dermatitis, dementia, and death.

Explanation:

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vitamin A night blandness

vitamin B bribery

vitamin C scurvy

vitamin D rocket