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Why are sleep-deprived eyes dry? Tear-film chemistry offers a clue

An illustration of dividing limbal stem cells, red cells on a black background.

Artist’s impression of the stem cells that replenish the human cornea. Similar cells in mice multiply more than usual after sleep deprivation. Credit: Kateryna Kon/Science Photo Library

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Nature 605, 11 (2022)



  1. Li, S. et al. Stem Cell Rep. (2022).

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