18 citations
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October 2014 in “Experimental Biology and Medicine” This study found that feeding mice high levels of dietary vitamin A increased WNT signaling, which activated hair follicle stem cells and may have accelerated alopecia areata progression.
April 2019 in “Journal of Investigative Dermatology” This study suggests that dietary grape powder may reduce the severity of atopic dermatitis in a mouse model, highlighting its potential in both prevention and intervention settings.
December 2025 in “International Journal of Clinical Medical Research” This review explores the role of nutrition and probiotics in enhancing skin, hair, and nail health through gut microbiota, highlighting the potential of nutritional interventions for cosmetic benefits via the gut-skin axis.
January 2015 in “OhioLink ETD Center (Ohio Library and Information Network)” This animal study found that high dietary vitamin A levels altered hair cycling by affecting WNT and BMP signaling pathways in mice, which could be reversed by reducing vitamin A intake.
30 citations
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September 2016 in “Aging Cell” This study found that selenium deficiency in mice accelerated age-related conditions and metabolic decline but unexpectedly promoted longevity, suggesting low selenium levels might separate healthspan and lifespan.