In the 1960s, doctors avoided people to avoid exercise. Then everything changed. Now physical fitness is a $100 billion industry. What would it look like if we got equally as serious about cognitive fitness? In this episode, Cal explores three tiers of cognitive fitness advice, ordered from least to most intense. More from Cal Download Cal’s FREE guide to cultivating a deeper life: calnewport.com/ideas Learn more about Cal’s books: calnewport.com/books Listen to Cal’s podcast: thedeeplife.com/listen Resources Mentioned: https://charafeddine.co/letters/your-brain-is-about-to-need-a-gym https://lanimuelrath.com/wp-content/uploads/2011/07/Aerobics-Points-System.pdf https://www.joshwaitzkin.com/training https://www.youtube.com/watch?v=U9a2_KqzF7Y https://archive.ph/XvPXE Sponsors: https://www.monarch.com (Use code “DEEP”) https://www.shipstation.com (Use code “DEEP”) https://www.larridin.com https://www.pipedrive.com/deep Credits: Podcast Production: Jesse Miller Newsletter/Research: Nate Mechler Theme Music: Jay Kerstens