/tags/caffeine Caffeine en-US Copyright KUT News 2025 Mon, 10 Feb 2020 17:00:00 GMT /2020-02-10/michael-pollan-explains-caffeine-cravings-and-why-you-dont-have-to-quit 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." Caffeine reshapes the brain in surprising ways. Mon, 10 Feb 2020 17:00:00 GMT /2020-02-10/michael-pollan-explains-caffeine-cravings-and-why-you-dont-have-to-quit Terry Gross