YouTuber Mac Lethal was able to rap for 90 seconds straight without taking a single breath.

Could I pull off the same feat?

First of all, this is harder than it looks. You know how we all try to hold our breath under water for as long as possible? This is like that, but ten times harder. Here's how Mac Lethal pulled it off:

So, how did I fare? I know the trick to holding your breath for an extended period of time is to exhale as much carbon dioxide as possible. From what I've learned, it's not about taking a deep breath, but letting lots of deep breaths out before you start.

Here we go:

Yeah. It's impossible.

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