How to Lose Fat with Science-Based Tools

TL;DR

Using cold exposure and fidgeting can activate the nervous system to increase fat mobilization and oxidation, leading to greater fat loss.

Transcript

• Welcome to the Huberman Lab Podcast, where we discuss science and science-based tools for everyday life. I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine. This podcast is separate from my teaching and research roles at Stanford. It is however, part of my desire and effort to bring zero cost... Read More

Key Insights

• ✨ The Huberman Lab Podcast discusses science and science-based tools for everyday life, focusing on providing zero-cost information to the general public. They are sponsored by companies like InsideTracker, ExpressVPN, and Athletic Greens.
• 💉 InsideTracker is a personalized nutrition platform that analyzes blood and DNA data to help individuals understand their body and reach health goals. It provides recommendations on food, exercise, and lifestyle to improve health markers.
• 🔬 Quality blood work and DNA tests are crucial for obtaining clear information about an individual's health status and trajectory. Combined with personalized recommendations, people can make adjustments to improve their health.
• ♀️ Garmin fitness trackers are now compatible with InsideTracker, allowing individuals to integrate their data from Garmin devices with their blood and DNA data for more personalized insights and analysis on their health.
• 💻 ExpressVPN is a virtual private network that ensures data security and privacy by encrypting internet activity. It protects against data breaches and tracking, providing a secure online experience.
• 🥬 Athletic Greens is an all-in-one vitamin, mineral, and probiotic drink that supports overall health and wellbeing. It contains essential nutrients and probiotics that benefit brain health, gut health, and metabolism.
• 🧠 The nervous system, including the brain and spinal cord, controls various bodily functions, including fat burning and metabolism. It is often overlooked in discussions about fat loss.
• ⚖️ Caloric deficit (calories in vs. calories burned) is a fundamental aspect of fat loss and weight management. However, the nervous system and its impact on fat burning through factors like hormones and thermogenesis should not be ignored.
• ♀️ Exercise is typically associated with fat loss, but non-exercise activity thermogenesis (NEAT) can also play a significant role. Subtle movements, fidgeting, and increased physical activity throughout the day can increase energy expenditure and fat loss.
• ❄️ Cold exposure can increase metabolism and fat loss through multiple mechanisms. Shivering, triggered by exposure to cold, stimulates the release of adrenaline and promotes fat mobilization and oxidation. Shivering should be encouraged, and protocols for cold exposure can be followed to optimize fat loss.
• ☃️ Brown fat is a type of fat rich in mitochondria that generates heat and thermogenesis. Cold exposure and shivering can activate brown fat and increase its size and activity, leading to increased fat burning and caloric expenditure.
• 👶 Babies have higher amounts of brown fat to compensate for their inability to shiver. Over time, brown fat levels decrease, but it is possible to increase brown fat activity and potentially generate new brown fat cells through cold exposure and shivering.

Questions & Answers

Q: How does fidgeting and low-level movement increase fat mobilization and oxidation?

Fidgeting and low-level movement activate the nervous system, leading to the release of adrenaline and epinephrine. These chemicals promote fat mobilization and oxidation, allowing for increased fat loss.

Q: What is the relationship between succinate and brown fat thermogenesis?

Succinate, released during shivering induced by cold exposure, stimulates brown fat thermogenesis. This process increases energy expenditure and fat burning, contributing to greater fat loss.

Q: How should individuals incorporate cold exposure into their routine for fat loss?

Cold exposure should be tailored to individual tolerance, starting with temperatures that are comfortably uncomfortable. Spending one to three minutes in cold water, inducing shivering, and repeating this process one to three times per week can enhance fat loss through brown fat thermogenesis.

Q: Can babies benefit from cold exposure for increased brown fat cells?

Babies naturally have a greater amount of brown fat, which decreases over time. While cold exposure is not recommended for infants, maintaining brown fat through cold exposure in adulthood may potentially increase the number of brown fat cells. However, this area of research is still ongoing and not well-confirmed.

Summary & Key Takeaways

• Fat utilization involves two steps: fat mobilization and fat oxidation.

• Fidgeting and low-level movements increase fat mobilization and oxidation, leading to increased fat loss.

• Shivering induced by cold exposure triggers the release of succinate, which stimulates brown fat thermogenesis and fat burning.

• The frequency and duration of cold exposure should be tailored to individual tolerance and goals.

• Babies have a lot of brown fat, but it decreases over time if not maintained through cold exposure or other stimuli.