Secretion of Melatonin in Healthy Elderly Subjects: A Longitudinal Study
We report on a 10-year longitudinal study on 24-h serum melatonin secretion (AUC) in healthy human subjects. Fifty women and 53 men (aged 42-83 yr) participated in the study initially. Of these, 18 women and 15 men were followed for 6 consecutive years. Results
melatonin longitudinal study aging gender