Health | Wellbeing | Lifestyle on Instagram: "Regular physical exercise—especially vigorous, sustained activity—acts like a protective engine for the aging brain, making it one of the strongest lifestyle tools we have against Alzheimer’s disease. Exercise boosts blood flow, fuels mitochondria, increases BDNF and other neurotrophic factors, strengthens myelin, and supports synaptic repair—directly targeting the pathways that break down in early cognitive decline. Video: @shawnmodel Speaker: @loui