November 2021 in “International Journal of Research in Dermatology” Low iron levels are linked to certain types of hair loss.
Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
45 citations
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July 2006 in “Journal of Investigative Dermatology” Chemotherapy affects blood vessels in hair follicles, not stem cells, allowing hair regrowth.
February 2009 in “Journal of The American Academy of Dermatology” Yellow dots look different in various hair loss conditions and can help diagnose them.
18 citations
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March 2016 in “Journal of Investigative Dermatology” Vitamin D and calcium are essential for normal hair growth.