115 citations,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
31 citations,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
4 citations,
January 2013 in “Acta dermato-venereologica” Some patients with Alopecia Areata experience itch due to immune cells and enzymes that cause itching.
125 citations,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.