220 citations,
August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.
166 citations,
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,
June 2016 in “Hypertension research” New method uses hair follicle cells to estimate human body clock phase, potentially improving sleep disorder diagnosis.
75 citations,
September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
27 citations,
March 2014 in “Experimental Dermatology” IGF-1 affects hair loss and could be a potential treatment.