4.7 • 5.1K Ratings
🗓️ 1 September 2025
⏱️ 21 minutes
🧾️ Download transcript
What if you could get twice the health and brain benefits of traditional cardio in just five minutes?
I know, it sounds impossible. Most people think they need to spend 45 minutes on a treadmill to see real results, but the science shows otherwise.
In today’s episode, I’m diving into one of the smartest, most time-efficient workouts I’ve ever come across. It’s called REHIT and studies show it can improve your VO2 max, boost your mood, supercharge learning and even cut your risk of metabolic disease by over 60%.
I’ll share how this simple shift in training can literally rewire your brain for focus, memory, and performance, while giving you back hours of your life each week.
Joining me is Ulrich Dempfle, CEO and Co-Founder of Carol Bike, who helped take this groundbreaking science out of the lab and into a form anyone can use at home.
If you’ve ever said, “I don’t have time to exercise,” this conversation is going to change the way you think about fitness, brain health, and what’s possible in just two 20-second sprints.
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| 0:00.0 | Welcome to Quick Brain, bite-size brain hacks for busy people who want to learn faster and achieve more. |
| 0:06.0 | I'm your coach, Jim Quick. |
| 0:08.0 | Free. |
| 0:09.0 | You're mine. |
| 0:10.0 | Let's imagine if we could access 100% of our brain's capacity. |
| 0:15.0 | I wasn't high, wasn't wired, just clear. |
| 0:18.0 | I knew what I needed to do and how to do it. I know Kung Fu. |
| 0:23.3 | Show me. Today's episode is incredibly important and so I encourage you to pay full |
| 0:30.6 | attention to what we're about to talk about. It changed my life in so many ways. When you change |
| 0:35.9 | your brain, you change your life. And we're going to |
| 0:37.6 | talk about one of the smartest workouts. How can you get twice the benefits in 90% less time? |
| 0:48.2 | And I'm always obsessed with finding those levers, those products, the people, the processes, where you get a force multiplier. |
| 0:57.3 | You put a certain amount of input, you get multiple outputs. |
| 1:00.4 | And right now, we are someplace we've never filmed before. |
| 1:03.2 | So this is very special if you're watching this on YouTube. |
| 1:05.7 | You see all the biohacking and restorative things here, the float tank, the sauna, plunges I call this limitless labs is where I recover but this is also |
| 1:16.1 | where you'll see here if you watch some video this amazing piece of technology |
| 1:20.8 | this bike that completely changed my life and that of our teams also as well |
| 1:26.7 | and so this is why I believe one of the smartest |
| 1:29.9 | workouts it's the best use of your time and we're going to talk about whether you |
| 1:34.6 | purchase this product and I want to be upfront this I only talk about things |
| 1:39.2 | that I use and I've used this for years, that you'll get benefit regardless. |
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