Cold Shock Response
Cold exposure activates brown fat through multiple pathways, including signals from skin receptors to the hypothalamus and direct communication with brown fat itself. This intricate system not only helps maintain body temperature but also highlights the evolutionary importance of our body's ability to adapt to temperature changes. Interestingly, muscle activity, such as shivering, also plays a role in activating brown fat, showcasing the collaborative effort of different body systems to ensure homeostasis.In this clip
From this podcast

Huberman Lab
Dr. Susanna Søberg: How to Use Cold & Heat Exposure to Improve Your Health | Huberman Lab Podcast
Related Questions
How does cold activate brown fat?
How does cold exposure activate brown fat?
When exposed to an ice bath and shivering, is it brown fat that gets activated in the episode Dr. Susanna Søberg: How to Use Cold & Heat Exposure to Improve Your Health | Huberman Lab Podcast and the clip Activating Brown Fat?