Summary:
As you age, your brain is at its most important organ.

Full article:
(CNN) -- The lifestyle choices you make today directly impact your brain health as you age. So what are the best foods to keep your brain sharp? How does exercise help prevent cognitive decline? Do memory games really help? Are we any closer to finding a test to detect Alzheimer's disease early? And is there anything you can do to slow it down? How can you turn your brain into a super brain? CNN chief medical correspondent Dr. Sanjay Gupta has spent his career traveling the globe researching and reporting on how to keep your brain sharp. He also happens to be a brain surgeon! Gupta performs surgery every week and serves as the associate chief of neurosurgery at Grady Memorial Hospital in Atlanta. What questions do you have about brain health? Now is your chance to #AskSanjay. Leave your questions in the comments below or ask him directly on Twitter on Wednesday at 2:30 p.m. ET. What: LIVE twitter chat with CNN's Dr. Sanjay Gupta . When: Wednesday, June 19, from 2:30 to 3 p.m. ET . Tweet: @CNNHealth . Hashtag: #AskSanjay . Hope to see you there!