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.
c) Nitrates. These preservatives are mainly used to cure and preserve meat products giving them an attractive red colour. Most processed meats such as ham, bacon, sausages, cold meat cuts, and Viennas may contain nitrates. Symptoms of nitrate allergy: asthma, urticaria and rhinitis. Flavourants a) Monosodium glutamate (MSG). MSG is not really a flavourant, but rather a so-called 'flavour enhancer' (i.e. it brings out the flavour of other flavourants).