Colorectal cancer includes colon and rectum cancer, and is the third most common cancer type and the second leading cause of cancer deaths in the U.S.
In late 2015, long after colon cancer has been diagnosed to numerous people, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), found that processed meat can be the cause of it, classifying it as a Group 1 carcinogen.
It is estimated that this year, the number of new colon cancer cases will be over 95,000.
The function of the large intestine, or the colon, is essential for the overall health. It helps the formation, storage, and elimination of waste, and also contains billions of bacteria, which maintain a healthy balance in the body.
Apparently, colorectal cancer is often preventable. According to the findings of a study published in Pharmaceutical Research, only 5 percent to 10 percent of cancer cases are due to genetic defects, and the rest are caused by environment and lifestyle factors.
Researchers found that up to 35 percent of cancer-related deaths are caused by unhealthy dietary habits, another 30 percent are due to tobacco, 20 percent due to infections and the rest due to other environmental factors such as exposure to radiation, environmental pollution, stress, and low physical activity levels.
According to the American Institute for Cancer Research (AICR), about one-third of the most common U.S. cancer cases are preventable by maintaining a healthy weight, eating a healthy diet, and being physically active.
If one improves these lifestyle factors, the risk of colorectal cancer will be reduced by 50%. The following 10 steps will be of great help in lowering your chances of developing colorectal cancer:
- Increase the intake of vegetables and fruits
Vegetables are high in antioxidants and other disease-fighting compounds, such as magnesium.
According to one meta-analysis, every 100-milligram increase in magnesium intake lowers the risk of a colorectal tumor by 13 percent, and the risk of colorectal cancer by 12 percent. The anti-cancer properties of magnesium are believed to be due to its ability to reduce insulin resistance, which prevents the development of tumors.
Vegetables are also rich in dietary fiber, and studies have shown that people who consume more vegetables have lower cancer rates.
Moreover, plant chemicals called phytochemicals can reduce inflammation and remove carcinogens, while others regulate the rate of production of cells, maintain DNA, and eliminate old cells.
Cruciferous vegetables are rich in sulforaphane, which is a naturally occurring derivative of sulforaphane, and is scientifically proven to be able to suppress the growth of colon cancer-derived tumors.
You should also consume fruits moderately. One study has found that dried plums (i.e. prunes) may reduce the risk of colon cancer by building the gut bacteria.
2.Optimize Your Vitamin D Levels
Vitamin D deficiency is one of the main causes of colorectal cancer. The journal Gut published a study which found that people with higher blood levels of vitamin D have a reduced risk of developing colorectal tumors.
Namely, this vitamin boosts the immune system, and thus prevents the growth of cancerous tumors.
Researchers concluded that:
” Evidence suggests protective effects of vitamin D and antitumor immunity on colorectal cancer risk.”
“Immune cells in tumor microenvironment can convert 25-hydroxyvitamin D [25(OH)D] [vitamin D] to bioactive 1α,25-dihydroxyvitamin D3, which influences neoplastic and immune cells. “
“High plasma 25(OH)D level is associated with lower risk of colorectal cancer with intense immune reaction, supporting a role of vitamin D in cancer immunoprevention through tumour–host interaction.”
Optimize the levels of vitamin D, which should be in the range of 50-70 ng/ml, by regular sun exposure, use of a high-quality tanning bed and/or supplementation with a vitamin D3 supplements.
- Avoid Processed Meats
Processed meats include salami, ham, bacon, hamburgers, hot dogs, sausages, pepperoni, pastrami, and all those preserved by smoking, curing, salting, or the addition of chemical preservatives.
The main issue is that they have been added nitrates as a preservative, coloring, and flavoring.
Nitrates are often converted into nitrosamines, which elevates the risk of certain cancers. According to AICR, “there is no safe threshold” for the consumption of processed meats.
- Eat Garlic
Numerous laboratory studies have shown that garlic destroys cancer cells. One study found that women who regularly consume it lowered their risk of colon cancer by 35 percent.
People who regularly consume it in high amounts have a reduced risk of stomach and colorectal cancers. Moreover, the intake of an extract of aged garlic for 6 months improved the immune function of individuals with inoperable forms of colorectal, liver, or pancreatic cancer.
Remember to crush and chop the raw garlic before use, as this will stimulate the release of an enzyme called alliinase, which catalyzes the formation of allicin, which in turn quickly breaks down to create numerous organosulfur compounds.
Therefore, to enjoy the countless medicinal properties of garlic, compress a fresh clove with a spoon before swallowing it, juice it in the juicer, or chop it finely for salads.
5.Boost the Fiber intake
Dietary fiber has been linked to a lower risk of colorectal cancer, particularly incident colorectal adenoma and distal colon cancer. Apparently, every 10 grams of fiber lowers the risk of colon cancer by 10 percent.
According to a 2005 study, dried plums “favorably altered … colon cancer risk factors” in rats, possibly because they are rich in dietary fiber and polyphenolics.
Vegetables are the richest source of fiber and make sure you also consume more chia seeds, flax seeds, psyllium seed husk, and hemp seeds, as they are rich sources of soluble and insoluble fiber.
- Red Meat Consumption
Studies have shown that people who eat the most red meat (in one study this was five ounces a day) have a 24 percent higher risk of colorectal cancer than those who eat the least.
Yet, this meat is not the issue, but the way it is cooked. For example, grass-fed beef is rich in cancer-fighting compounds.
Yet, glyphosate, the active ingredient in Roundup herbicide, has severely negative effects on healthy gut bacteria and is carcinogenic, and CAFO animals are typically fed grains contaminated with it.
Red meat cooked at high temperatures (like barbecued or fried) might contain carcinogenic cooking byproducts like heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs).
Therefore, you should consume only organically raised grass-fed meats, cooked lightly.
- Limit the use of alcohol and tobacco
The excessive use of tobacco and alcohol raise the risk of colorectal cancer, so make sure you limit it, and if possible completely avoid these unhealthy habits.
- Lose excess weight and Control Belly Fat
Researchers have confirmed that obesity elevates the risk for about a dozen different cancers, including colon cancer. According to a 2014 study which analyzed over 5 million people older than 16, every 11-pound increase in body weight led to an increased risk for 10 types of cancer.
Even the smallest amounts of weight loss significantly improve your health. Excess belly fat is related to a higher risk of colon cancer regardless of the body weight.
Numerous studies have shown that regular exercise can significantly lower the risk of colon cancer. One study found that physically active men and women have a 30 percent to 40 percent lower risk of developing colon cancer compared with inactive persons.
Exercise reduces the insulin levels, controls it, and thus lowers the cancer risk. It also triggers apoptosis (programmed cell death) which destroys cancer cells.
Exercise boosts the circulation of immune cells in the blood, which neutralize pathogens throughout the body, and destroy precancerous cells before they become cancerous.
The better their circulation is, the stronger is the immune system, so it becomes able to defend itself against infections and diseases such as cancer.
Advantages and disadvantages of the ways to diagnose colorectal cancer
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