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Which of the following is a skin disease ?

  • A.Scurvy
  • B.Pellagra
  • C.Rickets
  • D.Anaemia

Answer: B

Pellagra is the skin disease among these, caused by a deficiency of niacin (vitamin B3).

It is remembered by the three Ds: dermatitis, diarrhoea and dementia. The skin becomes scaly and darkly pigmented where it is exposed to sunlight.

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