Graviola, native to the Amazon rainforest; is a small tree growing up to 15 feet (5 meters) tall. It is much sought after for its delicious fruit.However, Graviola bark, leaves, root, and fruits have also been used as traditional remedies in South America for many centuries.There is ongoing cancer-research on this plant concerning the specific phytochemicals (Annonaceous acetogenins) that are demonstrating the strongest anticancer and antiviral properties.Extracts have been shown to have antiviral, antiparasitic, antirheumatic, astringent, emetic, antileishmanial and cytotoxic effects. Graviola has also been shown to be effective against multi-drug resistant cancer cell lines.Graviola seems to effectively target and kills malignant cells in more than 10 different types of cancer, including colon, breast, prostate, lung, and pancreatic cancer.It can be regarded as an effective natural cancer drug that inhibits the growth of cancer cells while it doesn’t damage healthy ones.It is believed to be far stronger in killing colon cancer cells than Adriamycin® (Doxorubicin hydrochloride), a chemotherapy given as treatment for certain types of cancer. It may be a natural alternative as such for traditional cancer treatments.Graviola hunts down selectively - and kills cancer cells without harming healthy cells; unlike chemotherapy that indiscriminately seeks and destroys all actively reproducing cells - (even normal, healthy ones).