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Broccoli, cabbage, cauliflower, brussels sprouts, kale and kohlrabi - this family of cruciferous vegetables is naturally rich in indole-3-carbinol (I3C), a compound that is quickly becoming recognized as one of the most powerful cancer-fighting compounds that we know of.

This month, the authoritative International Agency for Research into Cancer (IARC) have weighed in on the issue. By gathering a group of expert scientists, they have looked at all the available evidence and published a detailed report on vitamin D and cancer. The massive tome weighs in at 465 pages, but we'll take a look at the key points in the first of two posts looking at the vitamin D debate. It is impossible for us to get more than about five percent of the vitamin D we need from our diet - unless, like Eskimos, we eat oily fish three times a day.

What if we didn't try to cure cancer, but simply kept tumors from growing too big? That's what radiologist Robert Gatenby of the Moffitt Cancer Center proposes this week in the journal Nature. Gatenby argues that high doses of powerful chemotherapies wreak havoc on a patient's immune system and foster the rapid regrowth of chemoresistant cancers that doctors have no hope of fighting.  So instead of curing cancer, he suggests doctors aim to stabilize the tumor at a tolerable size. In practice, this would mean that doctors identify a target size for an individual tumor that gives the patient the best quality of life.  Then, they will regularly monitor the tumor's growth with medical imaging equipment like a PET/CT scanner (see photo), and regulate doses of anticancer drugs to maintain it at a precise volume.

new (March 24th) report in Clinical Cancer Research, a journal of the American Association for Cancer Research, shows that Omega-3 fatty acids appear protective against advanced prostate cancer. Dr. John S. Witte, Ph.D., professor of epidemiology and biostatistics at the University of California San Francisco, says that previous research has shown protection against prostate cancer, but that this is one of the first studies to show protection against advanced prostate cancer.

Over many centuries, Frankincense oil has been found to have medicinal benefits. Now, an enriched extract of the Somalian Frankincense herb (Boswellia carteri) has been shown to kill off bladder cancer cells growing in culure. Research presented in the journal BMC Complementary and Alternative Medicine demonstrates that this herb has the potential to become an alternative therapy for bladder cancer.

There is new research out this morning from South Dakota State University which offers evidence that including flax in the diet may help prevent colorectal tumors or keep tumors from growing as quickly when they do form. Professor C. Dwivedi, head of SDSU's Department of Pharmaceutical Sciences, directed the study. The study was conducted in mice that develop spontaneous intestinal tumors. This strain of mouse is often used as a model by cancer researchers due to this mutation.

They found some important trends. Granulocytes from people over 50 years old had a reduced ability to kill cancer cells, as did granulocytes from people with cancer. This raises the possibility that cancer is not simply the result of getting too old, but a very specific weakening of the immune system. The most important finding, however, was that the granulocytes' kung-fu grip declined dramatically during the winter months. Here's Dr. Cui: Nobody seems to have any cancer-killing ability during the winter months from November to April.

"Berberine, the yellow alkaloid ingredient of several traditional anticancer herbs such as Oregon grape root has an expanding literature confirming its anticancer properties. Here are a few recent studies…Oregon grape root was an ingredient of the controversial Hoxseys formula, and berberine herbs were included in Eclectic anticancer formula. Click Links for PubMed"