Growing up, your parents probably told you that an apple a day keeps the doctor away. Turns out, apple cider vinegar may do just the same. From weight loss to cold and cough remedies to insect repellent, this superfood seems to be good for, well, just about everything. People put it in food and salad dressings, and they even drink it straight.
Molecular hydrogen or H2 gas is a very small neutrally charged molecule that has the ability to cross cell membranes and the blood-brain barrier.