Oxygen

This is no joke for the rare people who suffer from Cluster Headaches which are also called suicide headaches. Which is a severe headache usually on one side by your eye, it literally feels like...

Okay, so i saw whole bunch of reviews for water. I'm not gonna lie, that's weird. It's also inconsiderate to not review oxygen, which, for you savvy chemists out there (or normal people) is a...