Podcast:Clear+Vivid with Alan Alda Published On: Tue Jan 11 2022 Description: Dunbar’s Number is the most people you can have meaningful relationships with. But that number – 150 – is only one of the many circles of friends and acquaintances in your life. And one of those circles, according to Robin’s research, can determine how long you’ll live.Support the show: https://www.patreon.com/clearandvivid