What Doctors Mean by Brain Reserve and Vascular Burden

Two people with the same brain pathology experience different cognitive fates because of brain reserve and vascular burden—here's what doctors measure.

Two people with the same brain pathology experience different cognitive fates because of brain reserve and vascular burden—here's what doctors measure.

White matter damage weakens the brain's communication pathways, slowing memory retrieval and impairing your ability to hold and recall information.

Hypertension damages your brain years before symptoms appear—but recent research shows early treatment can reverse some of the injury.

Prediabetes accelerates brain aging through disrupted glucose metabolism, increasing Alzheimer's risk 2-fold in older adults.

Brain insulin resistance silently disrupts neuronal energy and protein clearance, emerging as a key driver of Alzheimer's disease and cognitive decline.

Researchers are investigating whether GLP-1 drugs—known for weight loss and diabetes control—might protect the brain from neurodegeneration, though human evidence remains limited.

Your brain burns one-fifth of your body's total energy even though it weighs just three pounds—here's why.

Damaged mitochondria in brain cells can impair the energy supply that memories depend on, contributing to memory loss and cognitive decline.

Your brain's power plants are failing—and when mitochondria degrade, memory and cognition follow.

Aging cells may fuel brain inflammation, but the evidence remains incomplete and complex.