220 citations
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August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.
166 citations
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August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
14 citations
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June 2016 in “Hypertension research” New method uses hair follicle cells to estimate human body clock phase, potentially improving sleep disorder diagnosis.
75 citations
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September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
27 citations
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March 2014 in “Experimental Dermatology” IGF-1 affects hair loss and could be a potential treatment.