Above that, we'll have to use oxygen just to cool the place.

At first, I resisted using oxygen but eventually got used to it.

There are a few simple precautions that can be taken to create a safe home environment when using oxygen.

They would be prevented from using oxygen and killed in a few minutes.

You don't have to stay at home or in a hospital to use oxygen.

You can travel even though you use oxygen, but you'll need to plan ahead.

Airline companies have special rules for people who use oxygen.

She didn't use oxygen, and it would be damned hard to rebuild without her.

But there are no studies that show any long-term benefits from using oxygen during exercise.

In time, you may need to use oxygen some or most of the time.