Sensory neuron and Merkel-cell changes in the skin happen independently during normal skin maintenance.
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January 2020 in “ILAR Journal” Nonhuman primates are valuable in research but their natural health variations can complicate study results.
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January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
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March 2017 in “Journal of Investigative Dermatology” Mutations in the ACTB gene cause Becker’s nevi and may lead to muscle issues in Becker’s nevus syndrome.
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January 2020 in “Nature” Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.