Fasting is an ancient practice traditionally renowned for its health-promoting benefits. Today, it is often coupled with buzzwords like "detox", but what exactly are the mechanisms of a fast, and who should really be fasting? Arête Life Lab founder Tony Molina answers these questions.

On the first episode of So F*cking Healthy, I talked to Tony Molina, founder of Arête Life Lab, about the benefits of cold immersion as a longevity practice. We also get into the consequences of drinking and other lifestyle factors, and ways to offset their damage. You can find Tony's work at aretelifelab.com. You can find me on instagram at @basilandblackberries, or on my recipe blog, basilandblackberries.com.