How Diet or Supplements Influence Cancer Risk

Cancer Many studies have determined whether certain foods increase or decrease cancer risk. Unfortunately, different studies sometimes have conflicting results, making it difficult to know how diet or supplements influence cancer risk.

The common problem is that when studies show that consumption of certain foods appears to lead to lower rates of certain cancers, it is unclear whether there are differences in other risk factors (for example, geographic region, number of cancers). Tobacco and alcohol consumed, etc.). Often, no beneficial effect observe when a controlled trial is conducted (see also Medical Sciences), and a portion of good food or supplement runs randomly. Some foods and supplements have studies more than others, and many trials are underway. The most compelling evidence comes from studies showing that diets low in fiber and high in processed meats growth cancer risk. Obesity, irrespective of the type of diet, increases the risk of many types of cancer.


Alcohol growths the risk of mouth, throat, throat, liver, breast, colon, and rectum cancer. People who smoke and drink stand at a much higher risk of developing these growths


Antioxidants, such as vitamins C then E and beta-carotene (vitamin A), remain part of a balanced diet. However, no studies have shown that taking supplements containing these antioxidants reduces cancer risk. There is some sign that taking high doses of beta-carotene or vitamin E supplements can increase the risk of certain types of cancer.

Artificial sweeteners

Although some initial studies show an increased risk of bladder cancer, brain cancer, and lymphoma with certain sweeteners, these studies have done in animals. No human studies show an increased risk of cancer with these sweeteners.

Biologically-engineered foods (genetically modified foods)

Genes from other plants are added to the genes of certain plants or microorganisms to increase their toughness or resistance to pests or to improve them in some other way. There is no evidence that bioengineered foods affect cancer risk in any way.


Some studies have shown that higher concentrations of vitamin D and calcium supplements can reduce the risk of precancerous polyps in the colon. However, other studies indicate that a high calcium intake increases the risk of prostate cancer.


Although some older studies have found a link between coffee consumption and cancer risk, this has not show in more recent studies.


Some studies advocate that eating foods high in fiber reduces the risk of cancer, especially colorectal cancer.

Fish and omega-3 fatty acids

Some recent animal studies indicate that omega-3 fatty acids can stop or slow the growth of it . However, these results have not reproduce in humans.


Studies have not shown an bigger risk of cancer by drinking fluoridated water, using toothpaste, or undergoing fluoride dental treatments.

Folic acid

Some evidence points to an increased risk of it in people with folic acid deficiency, but it is unknown whether the shortfall is the cause of it . Conversely, less conclusive evidence suggests that too much folic acid can increase cancer risk. A person who follows a regular diet does not need additional folic acid.

Food additives

Food additives must be approved by health authorities (by the FDA, Food and Drug Administration, United States) before they can be included in foods so that new additives undergo extensive testing. So far, no conclusive data shows that the levels of additives found in food products increase cancer risk.


Scientific studies have not given away that garlic effectively reduces the risk of it .

Irradiated foods

Irradiation of food, which use to destroy any microorganisms it may contain, does not increase cancer risk.

Meats cooked at high temperature

Eating meat cooked at a high temperature, such as grilled or baked, can add carcinogenic chemicals and increase your cancer risk.

Organic food

There is no scientific evidence that organically grown foods reduce it risk any more than the same foods grown by other methods.

Eat excessively

People who obese are at greater risk of developing various types of it.

Pesticides (pesticides)

There is no evidence that pesticide residues found in small amounts in food increase cancer risk.

Processed meats

Eating large amounts of processed meat puts you at risk for stomach, colon, and rectum it . Some evidence suggests that nitrates in cold cuts, hams, and sausages cause.

Saturated fats

Some studies have found higher rates of certain cancers in countries with higher fat intake. However, no study has shown that reducing fat intake, in turn, lowers it risk. More importantly, however, foods high in saturated fat are also high in calories and contribute to obesity, a risk factor for it  and other health problems.

Also Read: What are the Benefits of Spinning?

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