Caffeine is a chemical that occurs naturally in drinks like tea and coffee. It can make you feel wide awake and energetic, so it’s also often added to other things like sodas and energy drinks. But how do energy drink manufacturers put caffeine into their products? We asked food scientist Adam Johnson to help us find the answer.
Got a buzzworthy question? Se ... Show More
Aug 2022
Caffeine and Caffeine Supplements: Spilling the Beans on Caffeine
Caffeine is the most popular psychoactive substance in the world, with 89 percent of people in the U.S. consuming at least one drink containing caffeine daily. People depend on caffeine or caffeine supplements for a temporary energy boost, to stay alert, to enhance focus, and eve ... Show More
17m 8s
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
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
Oct 2025
What does caffeine do to our bodies?
Sweet, caffeinated energy drinks are in the headlines again as the UK Government says it wants to ban under 16s from buying them. Some can contain the equivalent caffeine as 2 to 4 espressos. James Betts, Professor of Metabolic Physiology at the University of Bath, explains the s ... Show More
28m 21s
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