Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells

In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.

In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.

hair
Image of the Day: Hair Strength
Image of the Day: Hair Strength
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Thin strands tend to be stronger than thick ones.
Image of the Day: Hot Stripes
Image of the Day: Hot Stripes
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Technique Improves Use of Hair for Drug Tests
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Source of Scales, Feathers, Hair
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Reptiles, birds, and mammals all produce tiny, bump-like structures during development.   
Scalp Microbiome Linked to Dandruff Severity
Scalp Microbiome Linked to Dandruff Severity
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Researchers identify differences in the composition of microbial species living on the scalps of people with different levels of dandruff.
Getting to the Root
Getting to the Root
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A study reveals the genes underpinning hair’s characteristics, from its color to its tendency to grow on the face.
Capsule Reviews
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Herding Hemingway's Cats, Hair: A Human History, Restless Creatures, and The Mind Club
Stem Cells to Blame for Hair Loss?
Stem Cells to Blame for Hair Loss?
Jef Akst | Feb 8, 2016
Two new studies point to factors in hair follicle stem cells as players in age-related hair loss.