Recap: We need to talk about metabolism | Shawn Stevenson & Tim Spector
ZOE Science & Nutrition
ZOE
4.6 • 5.6K Ratings
🗓️ 30 December 2025
⏱️ 15 minutes
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| 0:00.0 | Hello and welcome to Zoe Recap, where each week we find the best bits from one of our podcast episodes to help you improve your health. |
| 0:09.0 | We often hear people talk about metabolism, whether it's fast, slow, strong or sluggish. It's one of those health buzzwords that's often said, but rarely understood. |
| 0:23.0 | Yet understanding metabolism is essential. |
| 0:26.9 | It influences how we process food, how much energy we have, |
| 0:31.7 | and our risk of developing health conditions like diabetes, cancer and heart disease. |
| 0:36.2 | In this episode, Sean Stevenson and Tim Specter cut through the confusion. |
| 0:42.3 | Together, they'll explain what metabolism actually is and empower you to take control of yours. |
| 0:48.3 | I'd love to start right at the very beginning. Sean, what is metabolism and why does it matter? |
| 0:51.3 | From a rudimentary perspective, it's converting food into energy. |
| 0:56.0 | But that's looking at energy through this very isolated vanilla way. |
| 1:00.2 | You know, there's this entire microcosm of events. |
| 1:03.7 | And metabolism is really about the sum of all the different pieces that can create and generate energy and that feed into each other. |
| 1:12.6 | And for me, it's really based on that principle of energy cannot be created nor destroyed. |
| 1:17.6 | It can only be converted from one form into another. |
| 1:21.6 | And so this energy exchange, even if we're looking at that very vanilla version of it, |
| 1:26.6 | of food is creating energy, where |
| 1:29.4 | does the food come from? |
| 1:30.9 | What are the pieces and parts of the food that create the energy? |
| 1:35.0 | And there are other things besides food that are getting converted into energy for us as |
| 1:39.0 | well. |
| 1:40.4 | And whether that's body fat, whether that is, you know, oxygen and how it relates to all these |
| 1:46.8 | different pieces, there are literally millions of parts and inputs that determine metabolism. |
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