Is this just pseudoscience??? https://www.youtube.com/watch

>>8720217
Not the hyperventilation, but the it "being amazing for exercise and focus" stuff

Well... cold showers have health benefits, there is no doubt about that.

>>8720281
Source?

>>8720311
saves money on your electric bill not having to heat the water, and you can then use that money to pay for medicine

QED

This reminds me too much of the method of how to killing yourself while holding your breath.

Why do I even know such things?

This looks like a great way to kill yourself

It's real.

Positive meditation works.

Let's use it to liberate our planet already.