Cognitive decline is not an inevitable consequence of aging — it is a process that begins decades before symptoms appear and is substantially modifiable through targeted intervention. The brain consumes 20% of the body's energy despite representing only 2% of its mass, making it uniquely vulnerable to metabolic dysfunction, inflammation, and vascular damage.
This category covers the neuroscience of aging and cognitive preservation. From BDNF — the neurotrophin most responsive to exercise — to the gut-brain axis and its role in neuroinflammation, each article translates peer-reviewed neuroscience into actionable strategies. We cover Alzheimer's prevention (starting decades before diagnosis), the role of sleep in amyloid clearance, how specific exercise modalities protect different cognitive domains, and which supplements have credible evidence for neuroprotection. The goal is not just avoiding dementia — it is maintaining peak cognitive performance across the entire lifespan.