A tablespoon of it will kill you, but most of us feel like death without it: we’re talking about caffeine this episode. Inspired by a listener question — does green tea have more or less caffeine than black? and what about yerba mate? — Cynthia and Nicky explore the history and science of the world’s most popular drug. Listen in as we discover the curious ef ... Show More
Oct 6
Fibermaxxing FTW: Meet the Neglected Nutrient That's the Key to Health
Move over protein, it's time to fibermaxx! Fiber has always been the neglected stepchild of nutrients: it's never been seen as essential, and some of its earliest enthusiasts were poop-obsessed oddballs. Take the inventor of cornflakes, John Harvey Kellogg. Inspired by the gorill ... Show More
51m 52s
Sep 8
Plant Milk Proliferation: Oat, Soy, Almond, and More, But Which Is Best?
Cow milk is out, and plant milk reigns supreme. At least, that's how it feels in the supermarket these days, where the refrigerated section is full of "milk" made from oats, almonds, peanuts, coconuts, soy, macadamia nuts, pistachios, and even peas, with new plants being milked s ... Show More
48m 52s
Nov 2023
Caffeine: How Much is Too Much?
Caffeine is a drug that tons of us take every day. But is that a bad thing? And if we get it in the form of energy drinks, is that super dangerous? We talk to Dr. Astrid Nehlig, Prof. Gregory Marcus, and Prof. Sachin Shah. Find our transcript here: https://bit.ly/ScienceVsCaffein ... Show More
42 m
Dec 2021
How does caffeine make you not sleepy?
<p><strong>#059 Rebroadcast</strong></p>
<p>Ok so, caffeine. Some of us live on the stuff, and others of us want nothing to do with it. There's a lot of things caffeine can do to our bodies, but of course the number one question, is how does it keep the sleepiness away? Let's get ... Show More
28m 25s
Jan 2024
How to have a healthy relationship with caffeine
Worry you're drinking too much coffee, tea, soda or energy drinks? A gastroenterologist and a caffeine researcher share surprising insights about the psychoactive drug — and explain why caffeine may not deserve its bad reputation. This episode originally aired on March 7, 2023.Se ... Show More
23m 18s
Aug 2025
The Ridiculously Energetic History of Energy Drinks!
This episode is brought to you by our favorite cohost: coffee. These days, if you stroll into any convenience store across the planet, you're going to run into a selection of energy drinks -- whether we're talking Red Bull, NOS, Monster, or our favorite pal, the humble cup of joe ... Show More
47m 1s
Sep 2023
Michael Pollan Spills the Beans on the Caffeinated Brain
Are you someone who needs a cup of coffee or spot of tea to start the day? Would you be surprised to hear that the key ingredient, the thing that gives you that morning boost - caffeine - is also a psychoactive drug? Whether it’s coffee, tea or soda, people around the world consu ... Show More
32m 22s