Coffee

When Pollan decided to write about caffeine, he gave it up — cold turkey. "I just couldn't focus," he says. "I was irritable. I lost confidence." Originally published Feb. 10, 2020.

After wrapping up his book about the potential therapeutic benefits of psychedelic drugs, author Michael Pollan turned his attention to a drug that's hidden "in plain sight" in many people's lives: caffeine.

Harvey Kravits and Jack Treatman are coffee experts. Kravitz is a coffee consultant. Treatman is the co-proprietor of Old City Coffee in Philadelphia. They talk about coffee beans, coffee history and the coffee culture.

Writer and editor Corby Kummer. He's written a series of articles for the "Atlantic Magazine" on coffee, covering health effects, brewing, and decaf versus caffeine.