How to Lose Fat with Science-Based Tools | Huberman Lab Podcast #21

Fidgeting

Fidgeting, often dismissed as mere restlessness, plays a crucial role in fat loss. Andrew Huberman explains that these micro-movements, such as tapping a pen or bouncing a knee, stimulate the release of epinephrine, which mobilizes and oxidizes fat 1. This process, known as non-exercise activity thermogenesis (NEAT), can burn between 800 to 2,500 calories daily, offering a substantial contribution to fat loss without traditional exercise 2. Huberman highlights the work of Rothwell and Stock, who discovered that fidgeters tend to burn more calories, even when overeating, due to their constant subtle movements 3.

These subtle movements of our core musculature trigger epinephrine release from neurons, stimulating fat mobilization and oxidation.

--- Andrew Huberman

For those averse to exercise, fidgeting provides an accessible entry point to increase caloric burn and support weight loss efforts.

   

NEAT

The concept of NEAT extends beyond fidgeting, encompassing all non-exercise activities that contribute to energy expenditure. Andrew Huberman emphasizes that NEAT is a powerful tool for fat loss, often overlooked in favor of more traditional exercise methods 4. He shares a study by Alia Crum demonstrating the impact of mindset on weight loss, where simply believing in the benefits of movement led to significant fat loss among hotel workers 5. This highlights the interplay between physical activity and psychological factors in metabolism.

The mere knowledge that exercise is good for you shifted their behavior and physiology in the direction of enhanced weight loss.

--- Andrew Huberman

By understanding and leveraging NEAT, individuals can enhance their fat loss efforts through everyday activities, supported by a positive mindset.