116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
113 citations
,
November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
112 citations
,
May 2019 in “Pharmacological Research” Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.
109 citations
,
October 2007 in “American Journal of Human Genetics” Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
87 citations
,
March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
86 citations
,
October 2017 in “Clinics in Dermatology” Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.
82 citations
,
March 2016 in “Autoimmunity reviews” Animal models have helped understand hair loss from alopecia areata and find new treatments.
81 citations
,
November 2012 in “Journal of the National Cancer Institute” The tumor suppressor gene FLCN affects mitochondrial function and energy use in cells.
80 citations
,
April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.