30 citations
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March 2015 in “PLoS ONE” Thyroxine can adjust the body's peripheral clock, potentially helping treat clock-related diseases.
66 citations
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July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
116 citations
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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.
127 citations
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January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.