Your brain contains a master clock—the suprachiasmatic nucleus—that controls every major physiological process across a 24-hour cycle. Light, food timing, and sleep schedules determine whether this system stays synchronised or falls into dysfunction, affecting sleep quality, metabolism, and mental health. — Photo by insung yoon on Unsplash (Unsplash License)
MD, MPH, PhD. Editor-in-Chief, Georgian Medical Journal (GMJ). Professor and Head, School of Public Health, David Tvildiani Medical University (DTMU), Tbilisi, Georgia. Chair, Public Health Institute of Georgia (PHIG). President, Accréditation Sans Frontières (ASF), Paris. Secretary/Treasurer, UEMS Section of Public Health. WHO Consultant, Health and Migration, Geneva. Former Member, UN Secretary-General's Independent Accountability Panel for Every Woman, Every Child, Every Adolescent (IAP-EWEC, 2016–2021). ORCID: 0000-0001-7609-4515.
