It is also well known, almost everyone, their healing properties and a decoction of St. John’s wort, many folk recipes recommend taking it inside with tuberculosis, as well as a disinfectant and sterilizing agent. The decoction also has a calming effect, which has a beneficial effect is affected by the central, known nervous system. To prepare a decoction 20 g. St. John’s wort needs to be poured 300 (350) ml. boiling water, then wait until the decoction of the 9 -seized by you) will cool, strain and take on the dining room (you can a little more) spoon after eating (main) three times a day.