10 citations
,
August 2014 in “Skin research and technology” This study found that variations in sleep patterns, free testosterone, and 5-alpha-reductase type 1 activity are associated with changes in sebum excretion in women, which may contribute to variability in acne studies.
August 2025 in “Chronobiology International” In this study, college students with an evening chronotype were found to be at greater risk for androgenetic alopecia, potentially due to altered circadian rhythms as indicated by shifts in heart rate patterns and clock gene expression in hair follicles.
5 citations
,
August 2018 in “International Journal of Dermatology” This study suggests obstructive sleep apnea may increase the risk of male-pattern baldness in men with a family history of hair loss, and links low serum transferrin saturation levels to both conditions.
17 citations
,
October 2017 in “Scientific reports” This study found that Super Merino sheep have a higher wool follicle density, finer fleece, and distinct gene expression compared to Small Tail Han sheep, which may inform future breeding and genetic interventions.
January 2012 in “Heilongjiang xumu shouyi” This study found that EGF and KGF were expressed at different levels in the skin of Gansu alpine Merino sheep, suggesting these factors influence wool fineness.