You can live three weeks without food, you can live three days without water, try to live three minutes without Oxygen!
Exercising while breathing supplemental oxygen may greatly increase the amount of oxygen in the blood plasma.
If you’ve ever suffered from a hangover on a day when you had a lot to get done, you know that you’d try just about anything to make it go away!
Increase Metabolism and Lose Weight
You need to have Oxygen present to burn your stored fat as fuel.