Ginger root has long been used to treat inflammation, gastrointestinal distress, nausea and motion sickness. And recent studies show that it also kills cancer cells, particularly ovarian cancer and prostate cancer. You Might Also Like Saw Palmetto December 9, 2013 Rosemary essential oil is often used for alertness and stimulating memory July 16, 2014 Saw palmetto is beneficial to the prostate gland May 28, 2014