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Feb 4, 2014 by MAE CHAN
At-Home Test Detects 94 Percent of Patients Who Do Not Have Colon Cancer - 15 Natural Methods of Prevention


Tests that require patients to collect a single stool sample at home and then send it to a lab for analysis will detect about 79 percent of colorectal cancers and correctly identify about 94 percent of patients who do not have cancers. Here are 15 natural ways to prevent colon cancer.

According to the new evidence,, the review of 19 studies in the Annals of Internal Medicine examined eight different fecal immunochemical tests, know as "FITs."

"We know the FIT is easy to use, and now we also know that it is a great tool for assessing which patients have cancer and which patients don't," said Beth Liles, MD, review co-author and clinical investigator at the Kaiser Permanente Center for Health Research in Portland, Ore.

Colorectal cancer is the second leading cause of cancer death in the United States, according to the Centers for Disease Control and Prevention. Yet one in three adults is not adequately screened.

"FIT is simple, can be done at home, and can save lives," said Jeffrey Lee, MD, MAS, the study's lead author and post-doctoral researcher at the Kaiser Permanente Division of Research in Oakland, Calif. and University of California, San Francisco.

Conducted annually, the test detects small amounts of blood in the stool, and people who test positive are much more likely to have colorectal cancer.

Other screening options for colorectal cancer include sigmoidoscopy, which involves physical examination of the lower colon, or colonoscopy, which examines the entire colon. The risks of either method exceed the benefits.

Even though current guidelines advocate colorectal cancer screenings for those with severe illnesses, they may bring little benefit and may actually pose harm. R. Scott Braithwaite, M.D., and his colleagues developed a new method of evaluating medical screening tests like colonoscopy, called the "payoff time," which is the minimum amount of time it takes for the benefits from a test to exceed its harms (i.e., its complications and side effects).

Review Details:

The evidence review, funded by the National Institutes of Health, found that the FITs were fairly sensitive. On average, the tests detected 79 percent, or about 4 of 5 cancers with only one round of testing. The tests were also highly specific: on average, 94 percent of people who did not have cancer tested negative with a single FIT.

By comparison, studies indicate that another at-home test called fecal occult blood test (also known as FOBT) detects only about 13 to 50 percent of cancers after a single round of testing. The FOBT is the predecessor to FIT and requires three stool samples as well as medication and dietary restrictions.

The key is to avoid invasiive conventional medical screening such as colonoscopy and focus on natual dietary methods of prevention.

15 WAYS TO NATURALLY PREVENT COLON CANCER

Vitamin B2 and B6
Increased intakes of riboflavin and vitamin B6 are associated with significant reductions in the risk of colorectal cancer with stronger associations for tumors in specific regions. The highest average intakes of vitamin B6 (over 3.88 mg per day) had a 20% lower risk of colorectal cancer.

Vitamin D
Researchers at McGill University have discovered a molecular basis for the cancer preventive effects of vitamin D, whereby its active form essentially shuts down cancer cells. It is known that vitamin D has a wide range of physiological effects and that correlations exist between insufficient amounts of vitamin D and an increased incidence of a number of cancers. These correlations are particularly strong for cancers of the digestive tract, including colon cancer.

Magnesium
Findings published in the European Journal of Clinical Nutrition indicated that for every 50 mg per day increase in intake of the mineral, the risk of colon cancer was modestly reduced by 7%. On the basis of the findings of this meta-analysis, a higher magnesium intake seems to be associated with a modest reduction in the risk of colorectal cancer, in particular, colon cancer.

Broccoli
Sulforaphane in broccoli blocks the formation of tumors in rats, and it can even force colon cancer cells to commit cell suicide. It seems that sulforaphane works its magic on the detoxification enzymes that try to defend the cancer-promoting substances.

Yerba Mate
According to a University of Illinois study, yerba mate is a cancer killer. Scientists showed that human colon cancer cells die when they are exposed to the approximate number of bioactive compounds present in one cup of this brew.

Multivitamin and Mineral Supplements
A study in the Canadian Journal of Physiology and Pharmacology (CJPP) found multivitamin and mineral supplements showed a significantly lower risk of developing colon cancer when they were exposed to carcinogens.

Fiber
Eating the recommended amount of fiber could reduce the risk of colon cancer by as much as 40 percent, according to an article in Harvard Men's Health Watch. The Institutes of Medicine recommend that men younger than 50 consume 38 grams of fiber a day, while men over age 50 should consume 30 grams of fiber a day.

Black Raspberries
Black raspberries are highly effective in preventing colorectal tumors. Raspberries contain many vitamins, minerals, plant compounds and antioxidants known as anthocyanins that may protect against cancer, explained Dr. Gary Stoner, a study author and professor at Ohio State University. While it is not clear how these compounds fight off cancer, the researchers recommend that individuals include a serving of fresh or frozen berries in their daily diet.

Blueberries
A compound in blueberries may be good for preventing bowel cancer. The key ingredient, pterostilbene, is a natural antioxidant and mops up highly reactive molecules called free radicals that can trigger cancer growth. Rats given a cancer-causing agent but then fed pterostilbene had far fewer pre-cancers in their bowels than other rats.

Ginger
Ginger and ginger tea may all help prevent the development of cancer. Ann Bode and Zigang Dong of the University of Minnesota used a ginger extract on mice infected with human colon cancer cells. The specially bred mice almost always grow tumors. When fed extracts of -gingerol -- the substance that makes ginger spicy -- fewer mice grew the tumors.

Colon Cleansing With Aloe
Aloe vera and its cleansing functions are much touted all over the world. People with digestive complications have experienced great benefits from this plant. Cleanses are used to break down and clean out waste from the colon and detoxify the blood stream.

Calcium
Regular consumption of calcium cuts the risk of developing colon cancer or other tumors of the digestive system. Men and women who consumed the most calcium, significantly cut their cancer risk over those who had the lowest calcium intake.

Selenium
High levels of selenium in the blood reduce the risk of colorectal cancer. "Your risk of colorectal cancer can vary by the amount of selenium you consume," said lead researcher Elizabeth T. Jacobs, from the Arizona Cancer Center. "People with higher blood selenium levels tended to have a decreased risk of a recurrence of colon cancer."

Coffee
German researchers say they've found a highly active compound, called methylpyridinium, in coffee that may prevent colon cancer. In studies with animals, this potent antioxidant compound appears to boost the activity of phase II enzymes, which are believed to protect against colon cancer.

Exercise
A survey based on information collected over a 23-year period in a research project called the Copenhagen Male Study found that regular exercise can help prevent intestinal cancer. The study comprised 5,000 men divided into four separate groups ranging from those who exercise very little to those who exercise a lot. Doctors examining the material believe that moderate physical activity strengthens the immune system and therefore helps prevent the cancer from developing.

Mae Chan holds degrees in both physiology and nutritional sciences. She is also blogger and and technology enthusiast with a passion for disseminating information about health.

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