Using oral hormones for a long time can also reduce uterine cancer.
But it could approve model statements, like "fiber may help reduce cancer," which manufacturers could use without challenge.
The study, in Finland, also showed that a form of vitamin A had no effect on reducing cancer.
"There is strong evidence that these kinds of foods help to reduce disease, not just heart disease but also cancer, diabetes, hypertension and obesity."
We know from cervical cancer that by screening you can reduce cancer up to 70 percent.
This reduction in precancerous lesions might be predicted to reduce the rates of penile and anal cancer in men.
Makers of oat-bran doughnuts, beer and milk shakes claimed that their products would help reduce heart disease and cancer.
This approach can lead to recommendations that fall into the category of the obvious - who doesn't want to reduce cancer, childhood obesity and tax evasion?
The beneficial claims for phytic acid include reducing cancer, minimizing diabetes, and reducing inflammation.
The vaccine has not been proved to reduce cervical cancer.