20 Foods Shown To Help Prevent Cancer

Every year, millions of people across the world are diagnosed with different types of cancer. While some are lucky enough to survive, a huge percentage eventually dies, which is really sad. The question is, how do you avoid getting cancer?

While living a healthy lifestyle cannot give you a hundred percent assurance that you won’t get the disease, it is still a great way to prevent it. According to studies, your diet plays a very important role in reducing the risks of chronic illnesses.

Here is a list of foods shown to help prevent cancer:


Cruciferous vegetables like broccoli contain a plant compound known as sulforaphane that has been proven to have anti-cancer properties. In a certain study, a test tube filled with this very healthy vegetable has reduced the size as well as the number of cancer cells by 75 percent.

Clinical studies say that adding broccoli to your daily diet can help protect you against the development of cancers of the mouth, breast, colon, lung, liver, and many more.


Aside from being a weight loss friendly food, carrots are also linked to an improved immune system, decreasing the risks of certain types of cancer. This orange vegetable (due to its beta carotene content) is rich in Vitamins K and A, as well as antioxidants.


Cinnamon is loaded with antioxidants and powerful medicinal properties, which makes it a great protection against deadly diseases like diabetes, heart-related sicknesses, and cancer.

Experts say that adding up to 4 grams of cinnamon to your daily diet is beneficial in cancer prevention. It aids in reducing blood sugar and decreasing inflammation too.


According to the American Institute for Cancer Research, blueberries can serve as your shield against cancer. They contain nutrients and phytochemicals, which are very useful in avoiding the said type of ailment.


Indulging in a handful of strawberries is another thing that you can do to protect yourself against cancer. These red, sweet, and juicy type of fruit contain a natural chemical called ellagic acid, which is quite helpful in deactivating cancer cells as well as in slowing down their reproduction.



In a scientific experiment, people who had a history of colorectal tumors and have eaten cooked, dried beans were able to reduce the recurrence of the tumors. This proves that beans may also be a defense against colorectal and colon cancer.


Turmeric is a spice that has an active compound called curcumin, which has been scientifically proven to have a number of health benefits including the potential to prevent heart diseases, Alzheimer’s, and cancer.

Furthermore, due to its antioxidants and anti-inflammatory properties, it is useful in treating depression and arthritis.

Citrus Fruits

Citrus fruits, such as oranges, grapefruits, limes, and lemons are rich in vitamins, plant compounds, fiber, and Vitamin C. They are low in calories too, which make them an excellent addition to a weight loss diet. They can boost heart health, reduce the risk of kidney stones, and fight cancer.


Garlic is not only popular as a tasty spice but also because of its medicinal properties. In multiple test-tube studies, it was seen that allicin, the active compound in garlic, has the ability to kill cancer cells. It can help reduce the risks of prostate, stomach, and colon cancer.


Just like garlic, onion is another spice that is known to have anti-cancer effects. It is packed with nutrients and antioxidants. It can help improve digestive health, control blood sugar, and boost bone density.



It could be hard to resist those red, juicy tomatoes. You can add them to your sandwich, salad, and various dishes. That red coloring comes from lycopene, which is known as a very powerful antioxidant and has been connected to a reduced risk of prostate cancer.

Flax Seeds

For decades, flax seeds have been recognized due to their health benefits. In fact, they are considered “superfood”, because they are loaded with nutrients, high in omega-3 fats, and rich in dietary fiber. They are helpful in improving cholesterol levels and lowering blood pressure.

Additionally, flax seeds contain ‘lignans’, which may reduce cancer risk. In separate studies, this food has helped women with breast cancer as well as men with prostate cancer.


If you want to indulge in healthy fats, you should add nuts to your diet. Aside from that, they are also an excellent source of fiber and protein. And the good news is, the research found that nuts can help lower risks of certain types of cancer, such as colorectal, endometrial, and pancreatic.


Spinach is regarded as one of the world’s healthiest foods. It is a good source of Vitamins A, K, C, B2, B6, and E. It contains folate, manganese, and calcium too.

Furthermore, these green leaves contain carotenoids (lutein and zeaxanthin) that can get rid of free radicals from your body. This is what makes spinach another incredible guard against cancer.

Whole Grains

The next time you shop for rice, pasta, or bread, you should go for whole-grains as they are high in fiber, lignans, and saponins, which could prevent cancer cells from multiplying.



The National Cancer Institute says that resveratrol, which is found in the skin of red grapes, is essential in preventing the development or spread of cancer. Aside from that, grapes are also packed with nutrients, antioxidants, and plant compounds.


Adding a few servings of fish, especially fatty ones like salmon, mackerel, and anchovies can certainly help reduce the risk of cancer. Other benefits of eating fish include lowered risk of heart attack and stroke, improved brain and mental health, as well as weight loss. The list can go on and on. This food is the healthiest that you can eat even every day.


Apples are very nutritious. They are good for the heart, weight loss, and your gut. Most importantly, they are known to be useful in the prevention of cancer. Thanks to their polyphenol content, which has been proven to have anti-cancer properties. It can prevent inflammation, cardiovascular diseases, and infections as well.

Winter Squash

Winter squash is delicious. It is a good source of Vitamins A and C, fiber, anti-inflammatory compounds, and antioxidants. And because of the carotenoids and beta-carotene that it contains, it serves as a protection against cancer too.


Cauliflower is another cruciferous just like broccoli. And yes, it is a type of food that has been shown to help fight cancer, mainly due to its antioxidants and phytonutrient content. Also, this vegetable enhances weight loss and digestion. It can improve your memory and concentration too.