<s>[INST] Dear doctor, I wanted to know whether you have heard of the plant, Simarouba and its cancer cell killing abilities. My reading has suggested that three main active ingredients, ailanthinone, glaucarubinone and holacanthone are anti-leukemic and anti cancerous? [/INST] Hi, Thanks for writing in. The leaves and bark of Simarouba have long been used as a natural medicine in the tropics. Research is in progress and some studies have shown that several compounds such as the quassinoids in Simarouba has antitumor and anti-leukemic (against blood cancer) action.  Glaucarubinone, one sucChatDoctorpound, has been found to have activity against Chat Doctor. However, taking this should be in recommended amounts and along with the regular treatment you are taking for cancer. Taking this preparation might add and a synergistic treatment and improve the end results. Please do not worry. </s>