Keep Sharp By Sanjay Gupta Pdf Apr 2026

: Physical exercise is highlighted as the single most important habit for brain resilience, as it increases blood flow and reduces harmful sugar levels.

: Managing stress and prioritizing restful sleep (7–9 hours) allows the brain's glymphatic system to "cleanse" metabolic waste, including proteins linked to Alzheimer's. Keep Sharp by Sanjay Gupta PDF

: Engaging in novel and challenging tasks—such as learning a new language or skill—creates new neural connections and builds "cognitive reserve". : Physical exercise is highlighted as the single

is a science-driven guide by neurosurgeon and CNN chief medical correspondent Dr. Sanjay Gupta that explores strategies for maintaining cognitive health and preventing diseases like Alzheimer’s. Published in 2021, the book argues that cognitive decline is not an inevitable part of aging and is heavily influenced by lifestyle choices. Key Pillars of Brain Health is a science-driven guide by neurosurgeon and CNN