"Throughout our life, we look for ways to keep our mind sharp and effortlessly productive. Now, globetrotting neurosurgeon Dr. Sanjay Gupta offers insights from top scientists all over the world, whose cutting-edge research can help you heighten and protect brain function and maintain cognitive health at any age. Keep Sharp debunks common myths about aging and cognitive decline, explores whether there's a "best" diet or exercise regimen for the brain,...

Drawing on his insider access to the drama's unfolding, including conversations with the world's top public health experts, the CNN chief medical correspondent and America's frontline COVID-19 health journalist shares what he's learned and how we can prepare for--or prevent--the next pandemic.