"Throughout our life, we look for ways to keep our mind sharp and effortlessly productive. Now, globe trotting 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,...

"Ave you ever felt a crushing wave of panic when you can't for the life of you remember the name of that actor in the movie you saw last week, or you walk into a room only to forget why you went there in the first place? If you're over forty, you're probably not laughing. You might even be worried that these lapses in memory could be an early sign of Alzheimer's or dementia. In reality, for the vast majority of us, these examples of forgetting are...