Dr. Michael Roizen shared some bare minimum things you can do to live longer, including playing games for brain health and taking a multivitamin.Dr. Michael Roizen/GettyDr. Michael Roizen is a longevity expert who claims to have reversed his age by 20 years.There are a few bare minimum things you can do to live longer, he said.These include getting vaccinated, playing brain-training games, and eating salmon.It can be tough to find the time to take care of our health.