29 citations
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December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
21 citations
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April 1990 in “Journal of comparative neurology” The study found that nerve signals are stronger when there are more connection points, but not necessarily denser, along the nerve's path in the spine.
19 citations
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January 2015 in “Indian Journal of Dermatology” Skin changes in women with PCOS are mainly due to hormonal imbalances.
15 citations
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July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.
14 citations
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February 2016 in “Journal of Obstetrics and Gynaecology Research” Blood tests are needed to confirm high male hormone levels in women with PCOS, as physical signs alone are not reliable.