Hydrogen peroxide is one of the simplest and most familiar substances to almost everyone. It has recognized medicinal properties and helps sick people in many situations. The general list of diseases for which hydrogen peroxide helps is very large: cancer, stomatitis, periodontal disease, fungal skin diseases. It is also necessary to add bronchitis, pneumonia, varicose veins, cardiovascular diseases, diabetes mellitus, pharyngitis, lupus, osteochondrosis. Doctors have not declared that treatment with hydrogen peroxide is inadmissible and do not deny its medicinal properties. However, doctors have repeatedly pointed out that H2O2 should be used wisely for treatment. And how exactly - you will learn from the book of the leading naturalist of Russia G.M. Kibardina. The author is not responsible for possible undesirable consequences if the drug is used without a doctor’s prescription. The information presented in the book does not replace medical advice.