Chaga mushroom
...that the Chaga mushroom has been used as a folk remedy in Eastern European countries for ulcers, cancer and gastritis since the 16th century?
...that the <b id="mwDOE"><a class="mw-redirect" href="./Chaga_mushroom" id="mwDOI" rel="mw:WikiLink" title="Chaga mushroom">Chaga mushroom</a></b> has been used as a <a class="mw-redirect" href="./Folk_remedy" id="mwDOM" rel="mw:WikiLink" title="Folk remedy">folk remedy</a> in Eastern European countries for <a href="./Ulcer" id="mwDOQ" rel="mw:WikiLink" title="Ulcer">ulcers</a>, <a href="./Cancer" id="mwDOU" rel="mw:WikiLink" title="Cancer">cancer</a> and <a href="./Gastritis" id="mwDOY" rel="mw:WikiLink" title="Gastritis">gastritis</a> since the 16th century?