Uploaded March 2026 | Updated September 2026, 3 days ago

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Coffee lovers, this one’s for you. In today’s episode of The IFLScience Show, Chris and Eleanor dive deep into the science behind your favourite caffeinated brew — from its mysterious origins in Ethiopia to its surprising effects on your sleep, bowels, heart, and even long‑term health. Whether you want to know when you should stop drinking coffee, why your morning cup sometimes sends you sprinting to the toilet, or whether tea actually has more caffeine, this episode breaks it all down.

00:00 - Intro
00:16 - A history of coffee
02:03 - The best time to drink coffee
05:07 - Tea vs Coffee
07:10 - Coffee poops
08:43 - Health benefits of coffee

#coffee #tea #caffeine #coffeelover #coffeeaddict

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Read more:
iflscience.com/how-late-can-i-drink-coffee-before-it-starts-messing-with-my-sleep-78488
iflscience.com/why-you-shouldnt-drink-coffee-first-thing-in-the-morning-70407
iflscience.com/does-tea-or-coffee-have-more-caffeine-72423
iflscience.com/reader-question-why-does-coffee-make-you-poop-70787
iflscience.com/drinking-coffee-can-reduce-risk-of-death-by-64-percent-43439
iflscience.com/coffee-may-reduce-risk-of-liver-disease-by-up-to-70-percent-44784
iflscience.com/once-again-science-has-shown-coffee-is-awesome-for-you-47182
iflscience.com/three-coffees-a-day-could-half-the-risk-of-death-for-people-with-hiv-and-hepatitis-c-43928
iflscience.com/drinking-two-coffees-a-day-could-cut-risk-of-liver-cancer-by-a-third-41846
nescafe.com/in/coffee-culture/knowledge/coffee-history
aboutcoffee.org/origins/what-is-coffee

Credits:
Hosted by Chris Carpineti and Eleanor Higgs
Produced and edited by Dominic Grose
Written by Dr. Katie Spalding, Laura Simmons, Rachael Funnell, James Felton, Rosie Mccall, Tom Hale, Katy Evans and Dominic Grose
Opening Title Sequence by Philip K Brayne & James Rodrigues
Additional media: Storyblocks , Shutterstock, Wikimedia Commons , Theplatypus277, Frédéric, Emw , Harvinder, Chandigarh Bruno and Befreetv
Licences:
Creative Commons Attribution-Share Alike 4.0
Creative Commons Attribution-Share Alike 3.0