8 Cancer Causing Food You Should Avoid

With so much noise surrounding possible causes of cancer (underwire bras, seriously?), it’s hard to determine what the true dangers are. The good news is that when it comes to food, there aren’t that many specific types linked to cancer. We will talk about the cancer causing food you should avoid in this article.

While extra weight is a problem (obesity raises the risk of a number of types of cancer), food in general is not generally as carcinogenic as say, smoking, radiation, or viruses. (In fact most cancers are thought to occur spontaneously, with no obvious cause.) However there are a handful of foods that have been linked to a higher risk of cancer. While eating (or drinking) any of these in moderation is probably fine, a lifetime of consuming high amounts, every day, could be a problem.

To ensure you stay healthy, it’s not a bad idea to limit processed meats, pickled items, alcohol, charred meats, and piping hot drinks. There’s no way to protect yourself from every type of cancer, but a healthy lifestyle in general can help.

Every day there’s a new warning about another food causing cancer—and often, that advice turns out to be bunk. Here are the 8 cancer causing food you should avoid:

1. Processed meats

At the top of the list of cancer-causing foods is processed meats, which the World Health Organization has put in the same category as smoking and asbestos when it comes to cancer risk. On WHO’s no-no list are sausage, bacon, hot dogs, and ham because of an increased risk of colorectal cancer. Eating just 50 grams of processed meat each day (that’s around two slices of ham) can increase the risk of colon cancer by 18 percent, according to the report. The problem comes not just from the meat itself but from the main methods of processing it, which include smoking, curing, or adding salt or preservatives. When certain meats are cooked, sodium nitrites combine with natural amines in the meat to form cancer-causing N-nitroso compounds.

2. Farmed salmon

Sure, it’s cheaper than the wild-caught stuff, but farmed salmon has higher levels of potentially cancer-causing contaminants. On average, farmed salmon has 16 times the polychlorinated biphenyls (PCBs) found in wild salmon, four times the levels in beef, and 3.4 times the PCBs found in other seafood, the Environmental Working Group reports. Instead, “choose wild-caught salmon and bake it with extra virgin heart-healthy olive oil,” suggests Steven G. Eisenberg, DO, an oncologist at the California Cancer Associates for Research and Excellence in San Diego. Salmon is rich in healthy fats known as omega-3 fatty acids, help control inflammation and possibly weight. Obesity is a major risk factor for many cancers.

3. Charred meats

Crazy-high temperatures used in the grilling process produce cancer-causing heterocyclic aromatic amines and polycyclic aromatic hydrocarbons, which are carcinogenic. Dr. Eisenberg won’t eat any red meat—ever—focusing instead on plant-based proteins and fish. Dr. Bonta eats small amounts of red meat but cooks it carefully. “I don’t believe in grilling red meat because … the heme iron and charcoal also have cancer-causing agents,” she says. This doesn’t mean you have to give up on grilling altogether.

4. Excessive amounts of alcohol

Dr. Eisenberg is a teetotaler. In fact, he hasn’t had even a sip of alcohol since his college days. “The research linking alcohol to cancer risk is strong,” he says. Clear patterns have emerged between alcohol consumption and the development of head and neck cancers, esophageal cancer, liver cancer, breast, and colon cancer, according to the National Cancer Institute. The link is less clear with other types of cancer. “Numerous studies have examined the association between alcohol consumption and the risk of other cancers, including cancers of the pancreas, ovary, prostate, stomach, uterus, and bladder,” Dr. Eisenberg adds, noting that either they’ve found no association or the evidence is inconsistent. If you’re not ready to completely cut out this member of the cancer-causing foods list, cutting back can be a good small step.

5. Bagels

Yes, bagels are delicious, but they’re also one of those white foods that send your blood sugar soaring. Consuming foods with a high glycemic index (those that rapidly elevate blood sugar levels) was found to raise the risk of lung cancer in non-Hispanic whites, according to a study from the University of Texas MD Anderson Cancer Center. High-GI foods include white bread and bagels, corn flakes, and puffed rice. Instead, choose lower GI foods such as brown rice, whole-wheat bread, and steel-cut oatmeal.

ALSO READ: Most Common Types of Cancer and How to Recognize Their Symptoms

6. Trans fats

Trans fats are formed when manufacturers turn liquid oils into solid fats, in a process called hydrogenation, which increases the shelf life and flavor stability of foods. They can be found in a laundry list of foods, including vegetable shortening, margarine, crackers, cereals, candies, baked goods, cookies, granola bars, chips, snack foods, salad dressings, fats, fried foods, and many other foods. “Just say no. No. No. No. No,” Dr. Eisenberg says. “I don’t eat any trans fats ever.” These fats increase inflammation are closely linked to soaring obesity rates, he says. The FDA has now banned partially hydrogenated oils (PHOs), which are the major source of artificial trans fats in the food supply. Food manufacturers were given three years to remove PHOs from their products in 2015, but the FDA recently extended some of these compliance dates to 2019-2021.

7. Pickled foods

These foods contain several preservatives and nitrates that can be carcinogenic, Dr. Bilchik says. Specifically, consuming large amounts of pickled foods increases your risk for stomach and esophageal cancers, as well as thyroid and ovarian cancers in some women.

8. Canned foods

Although the food itself might be healthy, the can it comes in could make it one of a few cancer-causing foods because many cans are lined with bisphenol, according to Anton Bilchik, MD, PhD, professor of surgery and chief of gastrointestinal research at John Wayne Cancer Institute at Providence Saint John’s Health Center in Santa Monica, CA. “It’s a preservative which has shown to be carcinogenic in animals,” he explains. Bisphenol, also known as BPA, is linked to breast and prostate cancers. A recent study from the Environmental Defense Canada analyzed 200 food cans in the United States and found that nearly two-thirds of them tested positive for BPA. But BPA is on its way out so it’s possible to buy BPA-free cans.

7. Artificial flavors

“Artificial flavors that are recently banned by the FDA but have been around a long time have been linked to a lot of health disorders, including cancer,” says Maryam Nemati Shafaee, MD, assistant professor in the Dan L. Duncan Comprehensive Cancer Center at Baylor College of Medicine in Houston, TX. The FDA is specifically removing seven synthetic flavoring substances that caused cancer in laboratory animals. That said, these substances are typically used in very small amounts in U.S. foods, resulting in low-level exposure and risk.

8. Scalding hot beverages

Drinking very hot coffee, tea, or soup on the regular is linked to a greater risk of esophageal cancer. Wait for them to cool down.

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