Accroding to " Expert Rev Anticancer Therapy"

For patients with leukemia, the complementary therapies that are always appropriate include mind-body interventions, such as self-hypnosis, meditation, guided imagery and breath awareness. Massage and reflexology (foot massage) decrease symptoms with effects lasting at least 2 days following treatment. Acupuncture is very beneficial for symptom management without adverse consequences. Physical fitness with regular exercise and healthy dietary habits can significantly decrease side effects of cancer treatments and may prolong survival. Botanical extracts and vitamin supplements may interfere with active cancer treatments, and should be discussed with the oncologist or pharmacist before use

So,Complementary therapies are unproven, ineffective and may postpone or interfere with mainstream cancer treatment. Take care!!!
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Reference:Expert Rev Anticancer Therapy. 2009 Sep;9(9):1241-9