U.S. Department of Health Human Services Search NIH NIH National Institutes of Health Turning Discovery Into Health NIH Employee Intranet Staff Directory En Espaiol Health Information Grants & News & Events Research & Training Institutes at NIH About NIH COVID-19 Public health Information from CDC Research information from NIH Espanol NIH staff guidance on coronavirus (NIH Only) Home News Events - NIH Research Matters NIH RESEARCH MATIERS March 2022 In this Edition Use of melatonin supplements rising Use of melatonin supplements rising among adults among adults Calorie restriction immune function; and health span Compound produced by bacteria Bmom protects the skin At a Glance Search NIH Research Matters The use of melatonin supplements by adults In the United States more than quintupled between 1999 and 2018 The findings highlight the need to better understand the long-term safety of St iatt [ Ln TS Funding