I started to skim through it and it seems to have some half-truths about oxygen. Oxygen in pure form is actually very damaging to the human body, especially our lungs. The drug mentioned basically makes oxygen (probably the oxygen is water molecules) radioactive. This is fine in cancer treatment, because we treat cancer with known carcinogens since they already have cancer and the original cancer is the problem you have to fight. Once you start also considering oxygen in water molecules than you are just going off on basically into any organic chemistry situations.