L-theanine, an amino acid in green tea, shifts brain waves from stress-associated beta patterns toward alpha waves associated with calm focus. Research shows it modulates neurotransmitters (GABA, serotonin, dopamine) to create relaxed alertness without sedation. — Photo by Kostas Dimopoulos on Pexels (Pexels 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.
