GMJ

Prof. Giorgi Pkhakadze

Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.
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1080 Articles

How Exercise Rebalances Muscle Aging at the Cellular Level

Exercise suppresses DEAF1, a transcription factor that becomes overactive with age and drives excessive muscle protein synthesis while impairing cellular…

How a single stem cell in bone marrow generates your entire immune system

A single hematopoietic stem cell in bone marrow can differentiate into every type of blood and immune cell through cytokine…

Vitamin D Insufficiency Affects Up to 97% in Some Regions—Here’s What the Evidence Shows

Vitamin D insufficiency affects 40–97% of North American populations, with geographic latitude and skin pigmentation driving significant disparities in vitamin…

Muscle Loss in Aging Is Fundamentally a Nerve Problem, Study Shows

New research reveals that strength in aging is determined by motoneuron excitability—neural signal quality—not muscle mass alone. Master athletes retain…

Why ATP Without Magnesium Doesn’t Work: The Essential Ion Behind Cellular Energy

Approximately 90% of cellular ATP exists bound to magnesium ions, not as free ATP. This Mg-ATP complex is the only…

Resistance Training Protects Brain Health: How Muscle Strength Reduces Dementia Risk

Resistance training protects cognitive health through seven distinct biological pathways—vascular, molecular, and inflammatory. Greater muscle strength is associated with lower…

Blueberries show measurable benefits for heart, brain, and metabolic health, research confirms

Clinical trials show that 150 grams of blueberries daily reduce cardiovascular disease risk by 15% and oxidized LDL cholesterol by…

How brewing method reshapes coffee’s chemical profile—espresso and cold brew lead extraction efficiency

Espresso and hot-brewed coffee extract significantly more antioxidant compounds than cold brew at the same coffee dose, according to comparative…