It seems that just about everyone can be allergic to something now. Eggs, tomatoes, chocolate, red wine, pumpkin pie, and even the few coloured vegetables all seem to number among the most common food allergies. Of course, it's not just children who have problems with certain foods; so does everyone have trouble eating carrots or broccoli?
In reality, food allergies are affected by "allergen response," which is a complex chemical reaction that poorly explains allergic reactions. Simply because one molecule (active ingredient here) sends the immune system alone to a target (allergy potentiated response) doesn't mean that the molecule will have the same effect at every site.
The truth of the matter is that the body responds to what it was designed to do. Ingest an allergen, and your immune system responds by coating every single molecule with fatty acids along with an array of other molecules-ostrich materials that signal the body to halt and consider whether it should continue to function normally.
For children, the experience of eating an allergen is much like the onset of a cold or flu. They may become miserable and left wondering whether they will ever enjoy pizza and hot dogs again. For adults, enjoying such foods provides an opportunity to demonstrate that not all foods are equal and some are enemies to the body.
The difference is that the colds and flu feel like chronic, pervasive, Funny Disease; whereas food allergies utilize the quick lethargy of a short-term response. Severe and starving myself of nourishment for several days with a fever renovation is much more liberating than enduring a week of misery that comes to a puzzling rest.
The difference also lies in how each prepares its own immune system to handle the antigen. The cold or flu takes a sustained, long-term approach to handle an allergen. In this approach, you are sick for several days (sometimes up to 9 days for some patients) and then you come home and lay down to rest.
Whereas the digestive system prepares the body to deal with antigens in a much shorter period of time. That is, the digestive system will use the fewest number of digestive enzymes and compounds it needs, streamlining the path of infection. This makes it possible for antigens to linger and multiply, eventually leading to the classic case of Food Poisoning.
However, the allergen response is just that; the body responds to the allergen, then restarts with the usual process. So what happens when you combine cold and flu with food allergies?
Unlike the cold and flu, the symptoms of food allergies are already being experienced. The mucous membranes produce histamine; that's the "tic" in the question. Whether you've had a cold or flu, you've already "tasted" the mucous and experienced being misty-eyed. The cells that produce the antibodies to the allergen also kneeling to the event, this is also histamine and a portion of the emergency response.
Antibiotics and their proteolytic capabilities essentially kill all bacteria on contact, at least inside the intestines. Although several kinds of antibiotic resistance are possible, currently there are no useful antibiotics for food poisoning. This will change in the future- perhaps 5 or even 10 years. A leading & likely candidate is broad-spectrum antibiotics, which are far more effective than one or two round of antibiotics, but are non-toxic to other healthy microorganisms and can be used in such low volume settings that the risk of explosive diarrhea or vomiting is ivyous. However, there is increasing concern about antibiotic overuse and resultant discomfort.
This is a problem that healthcare professionals are only just beginning to understand.
In theory, a healthy body is being invaded by a vast array of bacteria, such as salmonella (this particular bacterium is the most commonly found cause of food toxemia) or even worse, the bacteria responsible for bananas peptic ulcers. However, instead of the bacteria trying to infect the healthy tissue or elastin, the immune system treats the infection as viral, going about its business of killing off the bacteria as it does for an invading virus.
Simply put, a healthy immune system is handling a threat that it cannot handle at the moment. In other words, whilst the windows are wide open and unbalanced for an invading pathogen to enter, the immune system is not willing to let that happen, and thusly the pathogen is not able to do its usual damaging effects. One symptom of this is the conjunctivitis of the eye, the mucous membrane and the urogenital tract. Another side-effect of this is the uremia, or kidney failure, and the resulting electrolyte imbalance that can also lead to congestive heart failure.