I Did the Frozen Lake Thing So You Don’t Have To

What I learned about cold plunges, cortisol, and cycle syncing - in a hole in northern Finland carved into the ice.

Ancient rituals keep getting repackaged as biohacking trends. Cold plunges are the perfect example - what was once a seasonal, communal reset is now a daily discipline with a stainless steel price tag.

Here’s what happened when I took the plunge - literally - and what the science (and my nervous system) had to say about it.