
A cold tub is a specialized vessel designed for deliberate cold exposure, often used for ice baths or cold plunges. Regular use, such as at 49°F for 3 minutes, can lead to cold adaptation, increased mitochondria in adipose tissue, and uncoupling thermogenesis, which efficiently burns calories to produce heat.
I have a cold tub. I definitely do cold when I'm going to do a podcast
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"Rhonda Patrick mentions owning and regularly using a cold tub for deliberate cold exposure, detailing her personal routine and the physiological benefits she experiences, such as improved focus."





