How to Train Your Brain to Crave Doing Hard Things

Опубликовано: 08 Июнь 2026
на канале: Dr. Izzy Sealey
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Hey there, my name’s Izzy 🙋🏻‍♀️ I’m a Cambridge uni grad, medical doctor, and YouTuber. I love to learn Chinese, journal, and do yoga. My mission is to help you fulfil your innate potential and create a life you love through personal growth in mind, body and spirit. ⚡️

» Timestamps ⏱️
00:00 Introduction 💃🏻
01:13 Why Our Brains and Bodies Need Challenge 💪
05:25 Do taxi drivers really have bigger brains? 🤔
08:36 Rewiring Your Identity to Do Hard Things ⚙️
10:59 The 4 Types of Useful Friction 🏔️
12:52 Physical Friction 🏃🏻‍♀️
14:13 Sensory Friction 🙇🏻‍♀️
16:54 Cognitive Friction 🧠
19:28 Social Friction 🥂
21:20 Your Next Steps 🚶🏻‍♀️

Sources 📖
Easter, 2021 (The Comfort Crisis: Embrace Discomfort To Reclaim Your Wild, Happy, Healthy Self): https://geni.us/3nBei
Hebb, 1949 (The Organization of Behavior): https://pure.mpg.de/rest/items/item_2...
Lieberman, 2020 (Exercised: The Science of Physical Activity, Rest and Health): https://geni.us/gwb4sv1
Maguire et al., 2000: https://www.pnas.org/doi/10.1073/pnas...
Mattson, 2008: https://pubmed.ncbi.nlm.nih.gov/18162...

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