Just breathe. It's a mantra any athlete must repeat, as obvious--and unavoidable--as the activity may be. But because of pollution outdoors, poor ventilation in gyms, or just stress (example: we climbers tend to hold our breath, to our detriment, when working through big, scary moves), it can be hard to get enough oxygen.
Thus was born Oxyfit, a lightweight backpack-with-tube that is touted as "the world's first compact personal oxygen supply." Although mention of it has only recently surfaced on U.S. tech blogs, the system appears (via Google Translate; I do not speak or read … Read more