pellagra etymology

Etymology:

• Pellagra is derived from the Italian phrase "pelle agra," meaning "rough skin."

Meaning:

• Pellagra is a niacin (vitamin B3) deficiency disease that manifests with a variety of symptoms, including:

  • Dermatitis (rough, inflamed skin)
  • Diarrhea
  • Dementia

Origin:

• Pellagra has been recognized since ancient times, with the first description appearing in the 16th century.
• It was initially thought to be caused by eating spoiled corn, but later research revealed that it was due to a deficiency of niacin.
• Pellagra was a major public health problem in the 19th and early 20th centuries in many parts of the world, particularly in impoverished areas where corn was a staple food.
• With the advent of food fortification and the addition of niacin to flour and other grains, the incidence of pellagra declined significantly.

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