WorldHealth.net reports that researchers including Patricia Boyle, PhD, of Rush University, are pushing the concept as a quality-over-time measure, while physicians like Michael Genovese, MD, of AscendantNY are flagging emerging biomarkers that may actually predict it.
From lifespan to brainspan
The shift in terminology matters. Lifespan counts years; brainspan counts functional years — sharp memory, processing speed, emotional regulation, executive control. Boyle, a McKnight Brain Research Foundation trustee, frames brainspan not as the absence of disease but as how well the brain continues to serve its owner over time. Genovese notes that no single clinical standard yet exists for measuring it, but two mechanistic indicators are rising in the research literature: mitochondrial integrity and myelin integrity. Neurons are energy-hungry; sustained mitochondrial dysfunction is particularly damaging. Myelin, the insulating layer around axons, supports efficient neural transmission, and its degradation correlates with measurable cognitive latency.
What to track, according to a neurosurgeon
A New York Post piece from a practicing neurosurgeon outlines ten brain health metrics worth monitoring from the 40s onward — though the published snippet does not list them all. The methodological throughline is consistent with current cognitive neurology: combine neuropsychological testing (memory recall, processing speed, executive function) with advanced imaging and blood-based biomarkers rather than relying on any single score. For a clinic patient or self-tracking reader, the practical move is to ask which domains are actually being assessed and whether the protocol includes imaging or fluid biomarkers, not just paper-and-pencil screening.
On supplements: mechanism before marketing
A MindBodyGreen roundup of seven brain-health supplements highlights ingredients with varying levels of clinical backing — citicoline (marketed as Cognizin), creatine monohydrate, alpha-GPC, lion's mane, rhodiola, resveratrol, and huperzine A — alongside branded blends. The honest read: citicoline and creatine have the most reproducible acute effects on processing speed and attention in the published literature; the rest occupy a wider evidence gradient, with formulations, doses, and study designs that frequently fall short of clinical thresholds. Before buying a nootropic stack, check the actual milligrams against the doses used in peer-reviewed trials, not the marketing dose. Mechanism — neurotransmitter precursors, cerebral blood flow, BDNF support, oxidative stress mitigation — should drive selection, not label claims.
A narrow local item — a Pasadena clinic now offering neurofeedback for ADHD — sits outside the global evidence base and is best treated as a regional service note rather than a cognitive performance signal.