Enhanced zinc consumption causes memory deficits and increased brain levels of zinc.

@article{Flinn2005EnhancedZC,
  title={Enhanced zinc consumption causes memory deficits and increased brain levels of zinc.},
  author={Jane M. Flinn and Doug Hunter and David H Linkous and Antonio Lanzirotti and Laura N Smith and Joseph Brightwell and Blair F. Jones},
  journal={Physiology & behavior},
  year={2005},
  volume={83 5},
  pages={793-803}
}
Zinc deficiency has been shown to impair cognitive functioning, but little work has been done on the effects of elevated zinc. This research examined the effect on memory of raising Sprague-Dawley rats on enhanced levels of zinc (10 ppm ZnCO3; 0.153 mM) in the drinking water for periods of 3 or 9 months, both pre- and postnatally. Controls were raised on lab water. Memory was tested in a series of Morris Water Maze (MWM) experiments, and zinc-treated rats were found to have impairments in both… CONTINUE READING

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