Dr John Beard and Dr William Kelley proved in the lab that proteases kill cancer in solid tumor form.
Dr Nam Dang and Dr Otsuki concluded in the lab that papaya leaf tea (packed with proteases papain and chymopapain) kill cancer in solid tumor form as well.
-Aqueous extract of Carica papaya leaves exhibits anti-tumor activity and immunomodulatory effects.
AuthorsOtsuki N, et al. Show all Journal
J Ethnopharmacol. 2010 Feb 17;127(3):760-7. doi: 10.1016/j.jep.2009.11.024. Epub 2009 Dec 2.
Division of Clinical Immunology, Advanced Clinical Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan.