"This is the epidemic of the twenty first century!" At Davos 2020 George Vradenburg, Chair and Co-Founder of UsAgainstAlzheimers explains to Edie Lush of Hub Culture that half a billion people will be affected by Alzheimers by the middle of the century. But there is optimism. George says we also have the tools to determine the risks for Alzheimers much earlier than ever before and that we need to focus on monitoring brain health for all ages.