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Site title: GMJ News – Medical news, research digests, and policy analysis from the Georgian Medical Journal
Moderate Evidence
When skeletal muscle contracts during exercise, it releases signaling molecules called myokines that travel through the bloodstream to the brain, where they regulate learning, memory, blood flow, and inflammatory balance, according to research in
Preliminary Evidence
Creatine is an endogenous molecule synthesized in the kidneys and liver that serves as a critical energy buffer in muscle and brain tissue. According to biochemical literature, approximately 95% of total body creatine is stored in skeletal muscle, where it participates in rapid ade...
Moderate Evidence
The human brain operates as a highly selective energy system, with cognitive effort accounting for only a 5% increase in metabolic demand above its baseline operational cost, according to recent neuroscience research on brain glucose metabolism. Contrary to popular belief that intensi...
Nutrient absorption is not a single process but a choreographed sequence of chemical and physical events distributed across seven anatomical zones of the gastrointestinal tract. Each section—from mouth to colon—has specialized roles in breaking down food and extracting specific vitamins, minerals, and macronut...
Moderate Evidence
Vitamin D is widely recognized for its role in bone health, but emerging research reveals a more dynamic function: immune cells actively convert it into a potent antimicrobial compound on demand. When macrophages detect a pathogen, they simultaneously activate two genes—CYP27B...