The vaccine also reduced by 66.5% the number of cases of postherpetic neuralgia and reduced the severity and duration of pain and discomfort associated with shingles, by 61.1%.
The processing of meat, by adding preservatives such as salt or sodium nitrite to prevent the growth of germs, or smoking the meat to preserve or enhance color and flavor, may add compounds that might increase the potential of these foods to cause cancer.oncern about the possible effects of food additives on health, including cancer, is one reason that many people are now interested in organic foods. Organic foods are often promoted as an alternative to foods grown with conventional methods that use chemical pesticides and herbicides, hormones, or antibiotics.
When talking about preservatives in food, it might be easier to ask which foods donât contain preservatives than which foods do.Unless you slaughter your own meat, raise your own chickens and grow your own fruits and vegetables, nearly everything you eat contains some type of preservative.anned and Boxed Foods. Nearly every food that comes in a can, box or pouch contains some type of preservative. Since many processed foods sit on store shelves or in kitchen cabinets for months, adding preservatives keeps them from spoiling; spoiled, inedible food wastes money.