Vitamin A, infection, and immune function.

@article{Stephensen2001VitaminAI,
  title={Vitamin A, infection, and immune function.},
  author={Charles Bolt Stephensen},
  journal={Annual review of nutrition},
  year={2001},
  volume={21},
  pages={167-92}
}
In populations where vitamin A availability from food is low, infectious diseases can precipitate vitamin A deficiency by decreasing intake, decreasing absorption, and increasing excretion. Infectious diseases that induce the acute-phase response also impair the assessment of vitamin A status by transiently depressing serum retinol concentrations. Vitamin A deficiency impairs innate immunity by impeding normal regeneration of mucosal barriers damaged by infection, and by diminishing the… CONTINUE READING
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