The first modern-day research on Graviola was conducted in 1976 by the National Cancer Institute, though the plant has been under investigation since the 1940s. Their findings reported that the leaves of the Graviola plant were effective in destroying malignant cancer cells. Tests at Perdue University on cancer cells of prostate, pancreas and lungs have all shown results. Twenty further studies investigated the chemical effects of the Graviola in laboratory tests, but tests on animals or humans are needed to confirm the results. A Korean study found that Graviola killed colon cancer cells better than a chemotherapy drug called Adriamycin. Graviola results were ten thousand times stronger than the chemotherapy. And, unlike chemotherapy drugs, Graviola did not damage any cells except the carcinogenic cells. This means that there would likely be no hair loss or nausea as side effects from using Graviola as a treatment for cancers.
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