By Rosalie Marion Bliss
Special to Poultry Times
BELTSVILLE, Md. — As cold and flu season nears, now is a good time to take stock of zinc intake, because adequate zinc is essential to immune response. In a study funded by the USDA’s Agricultural Research Service (ARS), a group of older adults with relatively low blood zinc concentrations boosted their immune function by raising their zinc levels.
Researchers observed an increase in T-cells in blood that was challenged with a stimulus that mimicked infectious agents. T-cells are white blood cells that play a key immune role. The researchers. . .
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