I'm a tech exec who starts every day with a 3-minute cold plunge. My mind has never been sharper.

I'm a tech exec who starts every day with a 3-minute cold plunge. My mind has never been sharper.

Brad Margist jumping into his cold plunge.Courtesy of Brad Margist <ul> <li>Brad Margist is the chief technology officer of eVolve Computing and a cofounder of CyberHoot.</li> <li>He learned about t… [+6639 chars]

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