Question

what is pellagra.define

Answer 1

Pellagra  is a vitamin deficiency disease caused by a chronic deficiency of niacin (vitamin B3 or Vitamin PP, from pellagra-preventing factor) and tryptophan (an amino acid) in the body.

Answer 2

$hey \: mate \: here \: is \: ur \: ans \\ pellagra \: is \: a \: deficiency \\ disease \: caused \: by \: lack \: of \: \\ nicotinic \: acid \: or \: its \: \\ precursor \: trypthophan \\ in \: the \: diet \: it \: is \: characterized \\ by \: dirmatitis \: diarrohea \\ and \: a \: mental \: disturbance \\ and \: often \: linked \: to \: over \\ dependence \: on \: maize \: as \\ a \: staple \: food \\ hope \: it \: helps$