Prof. Giorgi Pkhakadze, MD, MPH, PhD
Why Your Body Needs Vitamin B12 in Micrograms but Sodium in Grams: The Hidden Logic of Nutrient Requirements
Human nutrient requirements span from micrograms of vitamin B12 to grams of sodium—a range reflecting fundamentally different biochemical roles. Understanding…
Organs age on a schedule: New research maps predictable timelines of aging from 30 onwards
New research identifies predictable timelines when major organs show age-related decline, with early 50s emerging as a critical turning point…
How testosterone production really works: the brain-gonad feedback loop explained
Testosterone is produced through a tightly regulated feedback loop between the brain, pituitary gland, and testes—not through exercise alone. Chronic…
How Your Body Stores and Deploys Nutrients: A Systems View of Micronutrient Management
Your body operates sophisticated storage systems for different micronutrients, with vitamins and minerals following distinct tissue-specific pathways that determine how…
Armed Conflict Drives Measles Resurgence Across 193 Countries, Structural Analysis Shows
Armed conflict is significantly associated with increased measles cases across 193 countries, with each 3,700 battle-related deaths linked to approximately…
Placebo effect improves memory and physical performance in older adults, even when patients know pills are fake
Healthy older adults showed measurable improvements in memory and physical performance after three weeks of placebo treatment, even when they…
Vitamin B12 deficiency mimics ageing: why early detection matters for mitochondrial health
Vitamin B12 deficiency produces fatigue and cognitive decline that mimic normal ageing, yet often goes undiagnosed until neurological damage occurs.…
WOAH Completes Evaluation of Bovine TB Diagnostic Tests in Bid to Standardise Global Animal Health Surveillance
The World Organisation for Animal Health (WOAH) has completed evaluation of bovine tuberculin diagnostic candidates, establishing standardised benchmarks for global…