hydrogen therapy , hydrogen generator , generator hydrogen , hydrogen , hydrogen inhalation machine , hydrogen inhaler , h2 inhalator h2 inhalator , molecular hydrogen therapy , hho therapy , hydrogen breathing machine 1. Hydrogen is a chemical element, the first on the periodic table. 2. The usual elemental form of hydrogen is hydrogen gas. 3. It is a colorless, odorless, highly flammable lightest gas composed of diatomic molecules. 4. The smallest, lightest, most, most harmless and most obvious antioxidant effect in the world. Hydrogen has fast movement speed and strong penetration. After entering the human body, it is very easy to reach all parts of the body and the inside of tissues and cells. It is the only known antioxidant that has a selective effect on free radicals. First, for all kinds of life-threatening severe cases, such as heart attack, str…