This is an open-acess peer-reviewed Journal. A communication channel about the GIRI ("Groupe International de Recherche sur l´infinitésimal") activities, as well as about high quality research on high dilutions and homeopathy. Clinical Trials, experimental and field research and systematic reviews are welcome. There is no submission fee, since all staff works in a volunteering basis. IJHDR adopts the Creative-Commons standards. The journal preserves the author´ s copyright, with the condition that the first publication made in IJHDR is mentioned in any further publication of the same text. Excelence in scientific methodology is required.