Between 1950 and the beginning of the 21st century, the mortality rates for cancer did not significantly improve. Despite the discovery of dozens of novel anticancer drugs, cancer remains the leading cause of death worldwide. There are wide gaps between the disease incidence (0.16%), disease burden (5.6 %), and the mortality caused by cancer (12.5 %).1 However, in countries with a wide diversity of plant life, there have been intensified efforts to discover natural cancer therapeutics.
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