Problem is Michael, everything does something. The public health guys point out that oxygen, both as O2 or in compound accelerates lifespan of cells, everything can be judged by its catalyst effect on that process.

In a nutshell, as hospitals are being scrutinised for their mortality rates, I and many more point out that avoidable mortality rather than mortality is the key as, bringing this back to your op...

The resultant mortality figure is 100%. As you say. Not much you can do about that.

Do as me and buy a bean to cup machine. I also bought a wine storage system. You know it makes sense....